Iran's cultural heritage and tourism ministry said Saturday at least 56 museums and historic sites across the country have been damaged, as the Middle East war entered its 15th day.

In his first public comments since becoming Iran’s Supreme Leader, Ayatollah Mojtaba Khamenei on Thursday asked neighbouring Arab countries to shut U.S. bases “as soon as possible”

Iran warned it could wage a prolonged war with the United States and Israel that would "destroy" the world economy, even as US President Donald Trump said late Wednesday the Islamic republic was facing imminent defeat.

The FBI has warned the authorities in California that Iran has planned drone raids launched from an unidentified vessel off the West Coast, according to an alert reviewed by US media outlets. Local officials, however, have cast doubt on the warning, saying it is unverified.

"I don't think talking with the Americans would be on our agenda anymore," Abbas Araghchi told PBS News, saying Tehran had a "very bitter experience" during previous negotiations with the US.

Iran vowed on Tuesday that not one litre of oil would be exported from the Gulf while its war with the United States and Israel continues, in a stark rebuke to President Donald Trump's boast that the conflict was all but over.

Iran launched new attacks on Tuesday at Israel and Gulf Arab countries as it kept up pressure on the Middle East in a war that has impacted the region and beyond, sent oil prices surging and stunned global economies.

Iran launched fresh strikes on energy installations in the Gulf on Monday including a petroleum complex in Bahrain, as oil prices soared on fears over supply disruptions due to the Middle East war.

Hezbollah on Saturday said it confronted Israeli troops that infiltrated an east Lebanon town overnight, with Lebanese authorities reporting at least 16 killed in Israeli strikes on the area.

Tehran has decided to stop attacking neighboring countries and has no intention to invade them, Iranian President Masoud Pezeshkian has said, adding that the Islamic Republic would not surrender under pressure.

Thousands of mourners have filled the streets of the southern Iranian city of Minab for the funeral of 168 schoolgirls and staff killed in an attack on an elementary school on the opening day of the US-Israeli strikes.

Danish shipping company Maersk on Sunday announced that it is suspending vessel crossings in the Strait of Hormuz after reports that it had been closed following US and Israeli attacks on Iran.