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Eleven Indian sailors injured in attack on tanker near Hormuz

First brief 2 Sep, 5:00 am IST Updated 7 Oct, 12:52 pm IST 28 developments 16 min read Latest ↓
Strait of Hormuz, satellite view
MODIS Land Rapid Response Team, NASA GSFC · Public domain

Where it stands

Eleven Indian sailors were injured when a projectile struck the tanker MT On Peace near Oman on 6 October. India's External Affairs Ministry said 12 crew members were injured in total. The vessel had 19 crew members, including 17 Indians, and was passing through the Strait of Hormuz. Omani authorities helped evacuate injured crew members for treatment in Khasab. India condemned the attack and called for attacks on commercial shipping to end. No group had claimed responsibility as of 7 October. The available evidence does not establish who carried out the attack. The incident brings the shipping crisis directly to the safety of Indian seafarers. Hormuz also carries energy cargoes from Gulf producers towards the wider ocean. Continued use does not establish safety. Individual voyages can still face attacks, delays and additional costs. Diplomatic efforts and actual security for crews remain separate tests of progress.

Background

The Strait of Hormuz is the narrow sea passage connecting the Persian Gulf with the Gulf of Oman. Oil and gas cargoes from Gulf producers use it to reach the wider ocean. When fighting or restrictions make the passage unsafe, the effects can reach buyers far from the conflict. A vessel needs an operationally usable route, not simply a legal destination for its cargo. The war involving the United States, Israel and Iran began in February 2026. A June memorandum created a route towards negotiations, but it did not produce a lasting settlement. Fighting and shipping restrictions continued, leaving military demands and economic pressure closely connected. This helps explain why later talks must address both ending hostilities and the conditions affecting maritime trade. Iran's restrictions around Hormuz and the American blockade of Iranian ports are related but different measures. One concerns passage through a strategic waterway; the other uses naval power to restrict access to particular ports. Removing one would not automatically establish that every other obstacle to safe trade had disappeared. The parties therefore disagree over the order and conditions for reducing pressure. Mediators can help when the two sides are unwilling or unable to negotiate directly. They carry proposals between delegations, clarify positions and seek areas of agreement. This can restart communication without settling the dispute. The next important test is whether the exchanges produce agreed commitments and whether those commitments are then carried out.

How it developed

  1. 28 February to 17 August 2026
    How it started

    The war began on 28 February 2026. A June memorandum did not hold.

    US and Israeli strikes on Iran began the war on 28 February 2026. On 2 March 2026, the IRGC announced the closure of the Strait of Hormuz. Ship traffic through the strait later fell by about 95 per cent. On 17 June 2026, the United States and Iran signed the Islamabad Memorandum of Understanding. Pakistan brokered the memorandum. The memorandum promised an end to fighting on all fronts. The memorandum gave 60 days for a final deal. Fighting resumed in July 2026. The United States restored the naval blockade on 14 July 2026. The 60-day window ended on 17 August 2026 with no deal. The conflict then turned into a standoff of sanctions and blockades.

  2. 28 August 2026
    Consequence

    Study puts India's extra fuel import cost at 22 billion dollars

    On 28 August 2026, Business Standard reported a study by the Centre for Research on Energy and Clean Air (CREA). CREA said India paid about 22 billion dollars extra for fossil-fuel imports between March and August 2026. The net extra cost across all fuels was 14.4 billion dollars, or 0.38 per cent of GDP. India paid 29 per cent more per tonne for imported LPG than expected. LPG import volumes were 26 per cent lower. India's extra cost was the third-highest after the European Union and China.

  3. 30 August 2026
    New fact

    US strikes Larak Island. Iran fires missiles at bases in Jordan.

    On 30 August 2026, US forces struck IRGC positions on Larak Island in the Strait of Hormuz. US Central Command called the strike 'limited, precise action against IRGC minelaying forces'. Hours later, the IRGC fired missiles and drones at the King Hussein and Al Azraq bases in Jordan. Jordan said air defences intercepted eight missiles. No injuries were reported at either base. On 31 August 2026, Trump told reporters the exchange was not a return to full-scale war.

  4. 1 September 2026, early hours IST
    New fact

    Two supertankers carrying Saudi oil hit while leaving the strait

    Late on 31 August 2026 (GMT), two supertankers leaving the Strait of Hormuz were struck by unknown projectiles. The Saudi-flagged Sidr was hit at 19:52 GMT, about 17 nautical miles from Khasab in Oman. The Liberian-flagged Senegal Prosperity was hit by three projectiles minutes later. Each ship carried 2 million barrels of Saudi crude loaded at Juaymah. All crew were reported safe. Brent crude rose above 92 dollars a barrel on 1 September 2026.

  5. 1 September 2026, before the strikes
    Official response

    Iran offers to honour the memorandum. US promises weekly bank sanctions.

    On 1 September 2026, Iranian President Masoud Pezeshkian spoke at the Shanghai Cooperation Organisation (SCO) summit in Bishkek. Pezeshkian said Iran would 'immediately reciprocate' if the United States returned to the memorandum. The same day, Foreign Ministry spokesman Esmaeil Baghaei said Washington had 'mistaken negotiations for dictating terms'. In Asheville in the United States, Treasury Secretary Scott Bessent said bank sanctions were likely this week and next. Bessent said the United States would also look at airline leasing companies and anyone doing business with the IRGC. Bessent said: 'We are going to economically asphyxiate this regime.'

  6. 1 September 2026, 9.30 pm IST
    New fact

    US strikes IRGC targets in southern Iran. Iran claims missile attack on Jordan base.

    At 9.30 pm Indian time on 1 September 2026, US forces began striking IRGC targets in Iran. US Central Command said the IRGC had tried to attack shipping in the Strait of Hormuz and US troops. Iran's Red Crescent said a strike killed four people and hurt over 50 at a wedding in Sirik county. Trump said Iran would be hit 'at a much harder and higher level' if Iran retaliated. The IRGC then claimed a ballistic missile attack on a US base in Jordan. Jordan said air defences intercepted 10 of 13 missiles.

  7. 2 September 2026, early hours IST
    New fact

    US hits two Iranian tankers under a 'tanker for tanker' rule

    US officials said about 100 targets were struck on 1 September 2026. The targets included two Iranian government tankers anchored off Iran's coast. US drones hit the engine rooms of the two tankers. A US official called the move a new 'tanker for tanker' policy approved by Trump. Trump linked the strikes to new Iranian sea mines and the missile attack on a US base in Jordan. Iran then fired about 25 ballistic missiles towards Jordan and drones at bases in Bahrain, Kuwait and Erbil. Jordan said 10 of 13 missiles were intercepted and three fell in empty areas. Iran's foreign ministry said more than 50 people were killed or wounded at the wedding in Kuhestak.

  8. 2 September 2026, market close
    Consequence

    Oil near $96: Sensex ends 374 points down after an 809-point fall

    Brent crude rose about 5 per cent overnight to about $96 a barrel. On 2 September 2026, the Sensex fell 809 points to a low of 76,135 in the morning. The Sensex closed 374 points lower at 76,570. The Nifty closed 141 points lower at 23,914. Indian shares fell for the third day in a row. The rupee slipped to 94.97 a dollar in the morning. Bond yields also rose across the world. Japan's 10-year yield touched 3 per cent for the first time since 1996. Analysts said higher oil prices raise India's import bill and inflation risk.

  9. 2 September 2026, evening
    New fact

    Iran's Guards say two tankers hit mines while crossing the strait

    On 2 September 2026, Iran's Revolutionary Guards said two oil tankers hit sea mines in the Strait of Hormuz. The Guards said the two tankers were disabled. The Guards said the crews had left the ships before the crossing. The Guards said US operatives then took the tankers through an 'illegal route'. The Guards' navy had earlier warned ships against crossing the mined passage. The United States did not confirm the claim on the same day. A US official told Axios that about 40 ships crossed the strait on 1 September under US guidance.

  10. 2 September 2026, night
    Consequence

    Gulf crude cargoes for Indian refiners slip; replacement barrels cost more

    Bloomberg reported on 2 September 2026 that oil cargoes for India were delayed by the fighting. Bharat Petroleum had four Persian Gulf cargoes that did not arrive on schedule in August. Two cargoes were from the United Arab Emirates, one from Saudi Arabia and one from Kuwait. Indian Oil also saw delivery schedules change. Both refiners bought replacement crude at short notice at higher prices. The refiners are now covered until October and are arranging November cargoes. Russian Urals crude now costs about $2 a barrel above the benchmark because of Ukrainian strikes on Russian energy sites. India is the world's third-largest oil consumer.

  11. 3 September 2026, morning
    Official response

    Trump says the strikes will be short; oil eases below $96

    On 2 September 2026, Trump told reporters the renewed strikes would not last 'too long'. Trump said US forces had 'taken out all of the new equipment' Iran built along the Strait of Hormuz. The second round of strikes in three days hit radars and mine-laying equipment on Iran's southern coast. Iran answered with drone and missile attacks on US bases in the region. Brent crude traded as high as $97 a barrel during the fighting. Brent slipped to about $95.30 after Trump's comments. On the morning of 3 September, Brent traded near $95.20.

  12. 2 September 2026, Cairo
    Official response

    In Cairo, Xi proposes a new Middle East security architecture

    China's President Xi Jinping held talks with Egypt's President El-Sisi in Cairo on 2 September 2026. Xi set out a four-point plan for a new Middle East security architecture. Xi said the people of the Middle East should remain masters of their own affairs. Xi said external interference should be rejected. Xi said China is ready to help Middle East countries safeguard international shipping lanes. The conflict has disrupted ship traffic through the Strait of Hormuz.

  13. 3 September 2026, early morning
    New fact

    Iran fires missiles and drones at a US base in Kuwait

    Iran fired missiles and drones at Kuwait early on 3 September 2026. Iran said a United States base was the target. Kuwait's defence ministry said its air defences intercepted the attack. Kuwait called the attack Iranian aggression. Iran had attacked bases in Iraq, Jordan, Qatar, Kuwait and Bahrain a day earlier. Kuwait's attack followed renewed United States strikes on Iran's southern coast. Brent crude rose above $96 a barrel during the escalation. AP's 3 September report counted only 102 Strait of Hormuz transits during the previous week. Before the war, the strait handled at least 130 transits a day.

  14. 3 September 2026, US afternoon
    Official response

    Vance calls the Iran fighting 'not a war'. No end date given.

    US Vice President JD Vance took questions at a White House briefing on 3 September 2026. Vance said, 'I wouldn't call it a war'. Vance said, 'Right now, there is no active shooting'. Vance said the United States had a 'responsibility' to strike. Vance said Iran keeps targeting commercial ships in the Strait of Hormuz. Vance declined to say whether the fighting would end before the 3 November 2026 US congressional elections. Vance said, 'You would have to ask the Iranians'. Vance said US forces escorted about 15 million barrels of oil out of the strait on 2 September 2026.

  15. 4 September 2026, US morning
    Official response

    US Treasury sanctions a Turkish bank over Iran's Quds Force money

    On 4 September 2026, the US Treasury's Office of Foreign Assets Control (OFAC) designated Golden Global Yatirim Bankasi of Istanbul. OFAC also designated two subsidiaries, Golden Global Varlik Kiralama and Golden Global Portfoy Yonetimi. Treasury said the bank moved tens of millions of dollars for the Islamic Revolutionary Guard Corps-Quds Force. Treasury said the bank was set up to move Iran's oil revenue from China to Turkey. The designations rest on Executive Order 13902. The order targets the financial sector of Iran's economy. The designation is the first Iran-related action listed by OFAC since Treasury Secretary Scott Bessent's 1 September 2026 remarks.

  16. 4 September 2026, 1.30 pm Washington time
    Official response

    Trump calls the Iran fighting 'small potatoes' and 'a military conflict'

    US President Donald Trump took reporters' questions in the Oval Office on 4 September 2026. Trump had just signed two executive orders for ranchers. A reporter asked about Vice President JD Vance's 3 September 2026 remark that the fighting is not a war. Trump said, 'I can understand what he's saying'. Trump said, 'I call it a military conflict because it's small potatoes for us'. Trump said, 'It's not a big thing'. Trump said US strikes on Iran are now 'intermittent'. Trump said the United States had lost 18 people in the conflict. Trump said, 'We took over Venezuela and we have essentially taken over Iran'.

  17. 4 September 2026, 1.30 pm Washington time
    Official response

    Trump says the US 'may hit' Pickaxe Mountain 'very soon'

    At the same exchange, Trump spoke about Iran's Pickaxe Mountain site. Trump said the United States 'may hit' Pickaxe 'very soon' if anything was going on there. Trump said, 'We know everybody that's moving everywhere all over Iran'. Trump said, 'If anything goes bad, we hit them. We hit them hard'. Trump said Iran will not have a nuclear weapon. Pickaxe Mountain is a hill on the south side of Iran's Natanz enrichment site. AP reported in 2023 that Iran was likely building a facility 80 to 100 metres underground there. AP reported that the International Atomic Energy Agency (IAEA) has never had access to the site.

  18. 5 September 2026
    New fact

    US strikes three Iranian tankers after missiles target two US warships

    US Central Command (CENTCOM) said on 5 September 2026 that the IRGC fired ballistic missiles at two US Navy warships. An aircraft carrier and a guided-missile destroyer evaded the missiles with no US personnel harmed. US forces then struck three IRGC crude oil carriers. CENTCOM said the Downy off Kharg Island and the Stark 1 near Jask were 'permanently disabled'. US forces destroyed the empty tanker Kylo in the Gulf of Oman. CENTCOM chief Admiral Brad Cooper promised 'an even higher economic cost' for the IRGC.

  19. 5 September 2026, evening
    Official response

    Iran's foreign ministry calls the strikes 'illegal'. Hegseth warns of more.

    Iran's Tasnim news agency said four US missiles hit a tanker near Kharg Island. Tasnim said the crew had left the ship with no casualties. Iran's Foreign Ministry condemned the strikes as 'illegal and aggressive', NBC News reported. The ministry said the attacks violated the United Nations Charter. US Defense Secretary Pete Hegseth posted a warning on X. Hegseth wrote: 'If Iran shoots at US ships, we will destroy (and sink) their oil tankers.'

  20. 4 September 2026, US market close
    Consequence

    Brent settles at $96.28. Only four ships crossed Hormuz on 3 September.

    Brent crude settled at $96.28 a barrel on 4 September 2026, Reuters reported. Brent rose 7.6 per cent over the week. US crude (WTI) settled at $91.48, up nearly 10 per cent on the week. US retail diesel reached a record $5.85 a gallon, according to AAA data. Only four commodity vessels crossed the Strait of Hormuz on 3 September 2026, Reuters said. The ten-day average was about 15 vessels a day.

  21. 6 September 2026: claim and denial; time unstated
    Official response

    Iran claims a strike on an unmanned US vessel; US denies it

    Iran said on 6 September 2026 that it struck an unmanned US vessel trying to enter the Strait of Hormuz. The US military denied the claim, according to Associated Press reporting carried by Business Standard. The reported strike remains disputed; no confirmed vessel damage is established by this report.

  22. 8 September 2026; exact attack clock not established
    Consequence

    Saudi authorities report energy-site fires after Houthi attacks

    Saudi authorities reported attacks on 4 southern cities on 8 September 2026. Reuters reported 73 people injured. The Saudi energy ministry said fires forced operations at some energy facilities to halt. AP also reported temporary suspensions. The Houthis claimed a missile-and-drone offensive. The reports do not establish the full volume of oil production lost. A facility shutdown must not be equated with the closure of an entire shipping route.

  23. 8 September 2026: US announces five tanker strikes
    New fact

    US military says it destroyed five Iranian tankers

    US Central Command said on 8 September 2026 that American forces destroyed 5 tankers linked to Iran’s Revolutionary Guards. The command described the strikes as retaliation for 2 Iranian missile attacks targeting an American warship over 2 days. The command said the warship avoided the missiles and no US personnel were harmed. Four tankers were in the Gulf of Oman; another was off Kharg Island in the Persian Gulf. The command said crews were directed to leave before the strikes. That statement does not establish the eventual safety of every crew member. The destruction account remains the US military’s claim.

  24. 9 September 2026: India issues its response
    Official response

    India condemns attacks and warns about shipping security

    On 9 September 2026, India condemned reported Houthi attacks on Saudi civilian and economic facilities. Foreign ministry spokesperson Randhir Jaiswal said such attacks undermined regional security and stability. He also warned about freedom of navigation through Bab-el-Mandeb. This narrow passage links the Red Sea with the Gulf of Aden. Risk there matters because the Red Sea provides another route for oil shipments when traffic through Hormuz is disrupted. India’s statement condemns the attacks; it does not establish that the passage has been closed.

  25. 9 September 2026: intraday oil-market movement
    Consequence

    Brent briefly passes $100 as oil-transport risks mount

    Brent crude futures touched $100.19 a barrel during trading on 9 September 2026, according to Reuters. Attacks on energy facilities and ships raised concerns about the region’s oil flows. Traders can price in the risk of future disruption before the eventual supply loss is measured. The figure is therefore an intraday market observation, not a closing price or a measure of oil already lost. It does not establish a matching increase in Indian retail fuel prices.

  26. 9 September 2026: attack claims and maritime warning
    Official response

    Iran claims new ship attacks; the US denies warship damage

    On 9 September 2026, Iran’s Revolutionary Guards claimed attacks on US vessels and oil tankers after American strikes on Iranian tankers. US Central Command denied any US Navy warship had been hit. Separately, the United Kingdom Maritime Trade Operations centre reported merchant vessels under fire in the northern Gulf and Gulf of Oman. The centre could not confirm casualties or environmental effects. The reported merchant-ship incidents were not clearly linked to the vessels in Iran’s claim. Shipping faced a wider warning, but the competing accounts did not establish a verified list of damaged ships.

  27. 22 September 2026; New York diplomatic exchanges
    Official response

    Mediators carry proposals while the terms of a settlement remain open

    Steve Witkoff described lengthy exchanges in which mediators moved between American and Iranian delegations at the UN General Assembly. Donald Trump said his envoys' discussions had been productive. The accounts establish a renewed diplomatic channel, but differ on whether part of the engagement was direct. Iranian accounts connect further progress with lifting the naval blockade, releasing frozen assets and ending hostilities. These positions help explain what the negotiations must overcome. They should not be described as terms of an agreement that both governments have accepted. The practical distinction is between opening a channel for messages and opening a shipping route for vessels. The first has been reported; the second requires a separate agreement and implementation. No verified timetable for restoring normal passage was established in the material reviewed. Earlier announcements of progress did not produce a lasting settlement. Agreed conditions and verified action remain necessary before treating the route as secure.

  28. 26–27 September 2026; rejection and Iran’s response
    New fact

    Public rejection leaves the proposed reopening sequence without agreement

    Iran put its proposal through Qatari mediators during the UN General Assembly period. After Trump's rejection, Foreign Minister Abbas Araqchi said Iran still awaited a formal response. That distinction matters because a public statement and a negotiated exchange through mediators are not the same step. The proposed timetable depends on acceptance and reciprocal action. Without that starting condition, the passage of seven days alone does not reopen the strait. The current development is a setback to the proposal, not a verified agreement or a confirmed shipping restart.

  29. 6 October 2026; attack and evacuation
    New fact

    Oman assists injured crew after a projectile strikes the tanker

    The Panama-flagged MT On Peace was struck while passing through Hormuz near the Omani coast. India's ministry identified 11 Indians among 12 injured crew members. Omani authorities assisted with evacuation and treatment in Khasab. These figures describe the crew's injuries, not the nationality of the ship's registration. Oman's account referred to an air-force evacuation of ten people. That operation's count should not replace India's total of twelve injured crew members. The available accounts establish an attack and a rescue response, but do not identify a confirmed attacker. India called for the protection of commercial shipping and the restoration of safe navigation.

Why it matters for UPSC

GS2 · International relationsGS3 · Energy securityGS1 · World geography

For GS2, connect protection of citizens abroad with consular assistance and cooperation between states. For GS3, explain how attacks on shipping affect energy security and trade. Distinguish an injured-crew total from an evacuation count, and a ship's flag state from the nationality of its crew.

Key terms

Strait of HormuzThe Strait of Hormuz is a narrow sea passage between Iran and Oman. The strait joins the Persian Gulf to the Gulf of Oman. About 100 ships used the strait each day before the war. Only about five ships a day passed between 15 July and 23 August 2026. India's crude oil and LPG cargoes from Gulf countries use this strait.
Islamic Revolutionary Guard Corps (IRGC)The IRGC is a military force in Iran separate from the regular army. The IRGC has its own naval, aerospace and missile units. The IRGC naval units operate in the Strait of Hormuz. On 1 September 2026, US Central Command said the targets included IRGC air defence sites, radars and mine-laying units.
Islamabad Memorandum of UnderstandingA memorandum of understanding is a written agreement that sets a framework. A memorandum is not a full treaty. The United States and Iran signed this memorandum on 17 June 2026. Pakistan led the mediation. The memorandum promised an end to fighting and 60 days of talks for a final deal. The 60 days ended on 17 August 2026 without a deal.
Secondary sanctionsPrimary sanctions stop American people and companies from dealing with Iran. Secondary sanctions punish banks and companies from other countries that deal with Iran. A bank under secondary sanctions can lose access to the US dollar system. Bessent said bank sanctions would come this week and next. For example, a bank in India that moves money for Iran could be cut off.
Naval blockadeA naval blockade uses warships to stop ships from entering or leaving a country's ports. The United States placed a blockade on Iran during the war. The memorandum said the blockade would end within 30 days. The United States restored the blockade on 14 July 2026. Iran calls the blockade part of an economic war.
Kharg IslandKharg Island is a small Iranian island in the Persian Gulf, about 25 kilometres off Iran's coast. The island is the main gateway for Iran's oil exports. On 5 September 2026, US forces disabled the tanker Downy off Kharg Island.
MediationA process in which an outside party helps disputing sides communicate and seek agreement. A mediator can carry messages between separate delegations. Participation in mediation does not mean either side has accepted the other's demands or that the dispute has ended.
Shuttle diplomacyDiplomacy in which an intermediary moves between parties, carrying proposals and responses. It allows talks without requiring every exchange to happen at one table. Here, the US envoy described mediators shuttling between the delegations.
Frozen assetsMoney or other property whose use or transfer is restricted. Releasing frozen assets is different from making a new payment or forgiving a debt. Iran's demand for access does not establish that the restrictions have already been lifted.
Maritime chokepointA narrow sea route through which substantial shipping must pass. Disruption can affect cargo availability, insurance and freight costs beyond the immediate region. Hormuz is one such passage; securing a diplomatic announcement alone does not establish safe passage for ships.
Flag stateThe country in which a ship is registered. A Panama-flagged vessel can have Indian crew members and an owner from another country. The flag therefore does not establish the nationality of everyone on board.
SeafarerA person who works aboard a ship. The safety of Indian seafarers can be affected even when their vessel is registered abroad. Following an overseas emergency, Indian authorities may work with the coastal country's authorities to assist them.
Evacuation countThe number moved during a particular rescue operation. It may differ from the total number injured in the incident. Here, Oman's air-force operation and India's injured-crew figure describe different counts and should not be substituted for one another.
Sources (61)
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