The Iranian army has also begun attacking vessels attempting to pass through the strait.

Spokesperson Stéphane Dujarric said Guterres considered the reopening a positive step toward easing tensions in the region.

April 18 (UPI) -- Just one day after the Strait of Hormuz was declared open, Iran has blocked the passage again, citing "breach of promise" by the United States, and has begun firing on commercial ships.

The standoff over the Strait of Hormuz escalated again Saturday as Iran reversed its reopening of the crucial waterway and fired on ships attempting to pass, in retaliation after the United States pre

TEHRAN | Xinhua | Although the Strait of Hormuz, a vital waterway for the world’s oil supply, has been declared fully open for commercial vessels, its operational status remains contested. Both Washington and Tehran confirmed on Friday that the strait had been completely open for all commercial vessels. However, U.S. President Donald Trump said on …

Iran has accused the US of violating the ceasefire agreement by maintaining a blockade on its ports. Meanwhile, a French peacekeeper was killed in southern Lebanon. Follow DW for more.

Iranian IRGC gunboats have opened fire on merchant vessels in the Strait of Hormuz. Following a failed reopening, Tehran has re-imposed its blockade, citing US piracy.  

However, US President Donald Trump said the naval blockade on Iranian ships and ports “will remain in full force” until a deal is reached to end the war.

Iran’s military said the U.S. must lift its blockade of Iranian ports before the vital waterway is opened again.

CAIRO (AP) — The dueling blockades in the Strait of Hormuz lurched into uncharted waters on Saturday as the United States pressed ahead with its campaign to choke off Iranian ports and Iran reversed an initial move to reopen the waterway. Confusion over the critical chokepoint threatened to deepen the energy crisis roiling the global […]

Strait of Hormuz tensions: Two Indian-flagged ships were attacked on Saturday ​while attempting to cross the Strait ‌of Hormuz. Following the incident, New Delhi summoned Iran’s ambassador to India.

WASHINGTON/ISLAMABAD, April 18 - At least two merchant vessels reported they were hit by gunfire as they attempted to cross the Strait of Hormuz on Saturday, three maritime security and shipping sources said, shortly after Iran said it was once more tightening control of the waterway. Read more at straitstimes.com. Read more at straitstimes.com.

Iran has reversed course on reopening the Strait of Hormuz and fired on a tanker attempting to pass the waterway.

Tehran warns it will continue to block strait as long as Trump blockades Iran-linked shipping; US president says blockade 'in full force' until regime reaches a deal, including on its nuclear program

Tensions rise as Iran shuts the Strait of Hormuz, accusing the US of ceasefire violations. Attacks on vessels near Oman heighten global security concerns.

Confusion continues over the status of the Strait of Hormuz as the Iran war drags on, with shipping traffic still largely stalled despite claims the route has reopened. Both Iran and US Presidnet...

Ghalibaf said Trump made “seven claims in one hour,” all of which were “false,” though he did not specify the statements in question.