Since February 28, 2026, the crisis has escalated from military confrontation into a sustained disruption of one of the world's most critical energy shipping routes. Restricted traffic, higher insurance costs, and mounting pressure on oil and LNG flows had turned the standoff into a broader global shipping and market shock. Iran said it attacked two U.S. vessels and eight tankers near the Strait of Hormuz, describing the action as retaliation for U.S. strikes on Iranian shipping. Washington denied that American warships had been hit. The competing attacks have further reduced commercial traffic through the strait and increased the risks faced by neutral vessels and their crews.
Defense Secretary Pete Hegseth addressed questions about potential Iranian weaponization of marine mammals in the Strait of Hormuz during a Tuesday briefing, denying the existence of 'kamikaze dolphins' while acknowledging the historical military use of marine mammals.
Indian Prime Minister Narendra Modi called on citizens to cut petrol and diesel consumption and work from home as the Middle East conflict disrupts energy supplies and impacts India's economy, demonstrating the war's far-reaching economic effects.
Aramco CEO Amin Nasser stated the current energy supply shock from the Strait of Hormuz closure is the 'largest the world has ever experienced,' with 100 million barrels per week of oil supply lost globally.
US forces fired on two Iranian-flagged oil tankers attempting to cross the blockade near the Strait of Hormuz and struck Iranian military facilities after what the US described as 'unprovoked' attacks on Navy ships. Iran accused the US of undermining diplomacy while keeping Washington waiting for a response to its latest peace proposal.
Iranian officials say both countries are reviewing a brief proposal that would reopen the Strait of Hormuz and provide 30 days to negotiate a comprehensive deal. Trump expressed optimism about talks while Iran indicated the supreme leader is overseeing key decisions on the matter.
A French shipping company CMA CGM container vessel was attacked while transiting the Strait of Hormuz on Tuesday, injuring several crew members who were evacuated for medical care. The incident occurred amid ongoing U.S.-Iran tensions disrupting shipping traffic in the strategic waterway.
Iran's military seized the oil tanker Ocean Koi in the Sea of Oman, claiming the vessel was attempting to disrupt Iran's oil exports. China separately reported that an oil tanker with Chinese crew was attacked in the Strait of Hormuz.
A US F/A-18 Super Hornet fired on and disabled the Iranian-flagged oil tanker M/T Hasna after it attempted to break through a US naval blockade at the Strait of Hormuz. President Trump confirmed the strike and gave Iran a one-week deadline to reach a peace deal.
France moved its aircraft carrier through the Suez Canal into the Red Sea, positioning for a potential multinational mission to secure the Strait of Hormuz. President Macron emphasized any operation would only occur after the conflict's hottest phase subsides.
Iran's Islamic Revolutionary Guard Corps navy issued a new map on Monday delineating areas of the Strait of Hormuz under its control, according to state media, as shipping through the critical waterway remains at a standstill.
Oil prices jumped approximately 6% on Monday following Iranian attacks on a UAE oil port and ships in the Strait of Hormuz over the past 24 hours, marking the most serious escalation since a U.S.-Iran ceasefire took effect in early April.
Iran's navy prevented U.S. warships from entering the Strait of Hormuz and fired shots at vessels in the strategic waterway, prompting President Trump to announce a U.S. operation to guide stranded ships through the strait. At least one South Korean vessel was reportedly hit in the incident.
A vessel operated by South Korean shipping company HMM experienced a fire and explosion in the Strait of Hormuz on Monday, according to Seoul's foreign ministry. The incident occurred in the strategically crucial waterway amid heightened regional tensions.
Senior Iranian lawmaker warned, that "the importance of Bab el-Mandeb may be no less than that of the Strait of Hormuz" and that Iran's Yemeni allies were "waiting to block it and deliver another blow to America", threatening to extend the global shipping crisis to a second critical chokepoint.
Iranian Parliament Speaker Mohammad Bagher Ghalibaf stated, that Iran's control over the Strait of Hormuz "has already been acknowledged by the United States" and that Tehran will never relinquish its jurisdiction over the waterway, while describing the US naval blockade as an "ill-considered and ignorant decision." A senior Iranian lawmaker also warned that Iran's Yemeni allies are "waiting to block" the Bab el-Mandeb strait if the blockade continues.
Brent crude jumped more than 6% to $118 per barrel; its highest since June 2022, after Trump told Axios the blockade would remain until Iran agreed to a nuclear deal, with Citi warning prices could reach $150 if the Hormuz disruption continues through June. The World Bank separately warned the war has triggered the largest oil supply shock on record, projecting a 24% surge in energy prices in 2026.
The UAE announced its withdrawal from OPEC and OPEC+ effective May 1, dealing a significant blow to the oil cartel's unity. The move comes as the organization struggles with production quotas and amid the ongoing Iran conflict affecting global energy markets.
The closure of the Strait of Hormuz has forced policymakers to reassess the vulnerability of the Strait of Malacca; the world's busiest shipping lane, carrying 22% of global maritime trade and 23.2 million barrels of oil daily, surpassing even Hormuz. The crisis has crystallized fears about what a conflict in the South China Sea or Taiwan Strait could mean for the 900km waterway that carries 75% of China's seaborne crude imports and connects East Asia to the Middle East and Europe.
Iran reversed its decision to reopen the Strait of Hormuz after approximately 20 hours, with Iranian gunboats reportedly firing on a tanker. Tehran says the strait will remain closed until the US lifts its naval blockade of Iranian ports.
Crude oil prices jumped nearly 8% to over $103-104 per barrel following Trump's announcement of the Iranian port blockade and the failure of peace talks. Physical oil prices in some markets approached $150 as buyers paid record premiums for immediate delivery amid supply disruption fears.
President Trump declared the US Navy will immediately blockade ships entering or leaving the Strait of Hormuz, one of the world's most critical oil transit chokepoints, following the collapse of peace negotiations with Iran.
A CMA CGM container ship successfully passed through the Strait of Hormuz, marking the first transit by a major European shipping company since Iran's blockade began. The crossing suggests Iran may be selectively allowing passage to countries not directly supporting the US-Israeli military campaign.
Britain convened a virtual summit with over 40 countries to coordinate action on reopening the Strait of Hormuz after Iran's de facto blockade of the critical oil shipping lane. The UN Security Council is also preparing to vote on a resolution to protect commercial shipping through the strait.
