US attacks oil tanker in strait of Hormuz as strikes reported in Tehran

What Happened

The United States military fired on an oil tanker attempting to reach Kharg Island in the Strait of Hormuz, disabling it with Hellfire missiles after it ignored warnings, as part of a renewed naval blockade targeting Iranian ports. Simultaneously, the US struck coastal defences and missile sites on Greater Tunb Island, as well as targets in Tehran, Ahvaz, Bandar Abbas, Sirik, and Qeshm, with reports of air defences active over the capital early on Thursday. US Central Command stated the strikes aimed to degrade Iranian capabilities used to threaten commercial shipping in the strait. Iran retaliated with attacks on Bahrain and Kuwait, while Iranian officials claimed the US strikes had killed more than 35 people and wounded over 300 others. The Islamic Revolutionary Guard Corps (IRGC) threatened to halt all regional energy exports unless they are shared by all. The escalation follows the collapse of a ceasefire and an earlier memorandum of understanding (MOU) on ending the war and restarting nuclear talks, with Iran's chief negotiator warning that Tehran would not adhere to the MOU if it sees no benefit. President Donald Trump claimed Iran wants to settle but also threatened to widen attacks, including on a fortified nuclear facility, while later noting the release of a detained American as a goodwill gesture.

Key Actors

Why It Matters

The Strait of Hormuz is a chokepoint for roughly one-fifth of global oil and gas supplies; any sustained disruption risks spiking energy prices and triggering broader regional conflict. The direct US–Iran exchanges, collapse of the ceasefire, and IRGC threats to halt all Middle East energy exports raise the spectre of full-scale war, potentially drawing in neighbouring Gulf states already targeted by Iranian retaliation. The undermining of the MOU framework imperils diplomatic efforts to address Iran's nuclear programme, while Trump's mixed signals on negotiation versus escalation add uncertainty.

Watch For

Monitor whether the US expands strikes to 'Pickaxe Mountain' or other nuclear-related sites, and whether Iran follows through on its threat to close the strait entirely or widens attacks on Gulf states. Oil price movements and maritime traffic disruptions will be key indicators. Watch for clarity on MOU implementation and direct US–Iran diplomatic contacts, as well as any further detainee releases that could signal de‑escalation.