Pakistan's navy has launched an operation to "counter multidimensional threats" to its national shipping and maritime trade, with concerns about fuel supplies due to the US-Israeli war on Iran.

"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.

Speaking at a Republican conference, Trump claimed the United States sank 46 Iranian naval vessels in just days and warned Iran that any attempt to block oil shipments through the Strait of Hormuz would trigger a much stronger U response.

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.

The exchange of threats comes as the conflict intensifies and global markets closely watch developments in the region.

While Baku accused Tehran of launching the drones and threatened retaliation, Iran’s Foreign Minister Abbas Araghchi denied involvement and suggested Israel may be attempting to disrupt relations between Muslim countries.

A member of the US National Guard died during a medical emergency in Kuwait on March 6, the US Central Command (CENTCOM) said Sunday, marking the eighth US military death since the Iran war began.

About 10 vessels in or near the Strait of Hormuz have come under attack since Iran blocked the strategic waterway in retaliation for US-Israeli strikes, data analysis groups report.

Hezbollah said on Monday it was fighting Israeli forces who landed in eastern Lebanon by helicopter across the Syrian border, the second such operation since the outbreak of the latest conflict with Israel.

Iranian media have shared a Lego-style video touting Tehran’s purported retaliation against the US and Israel, depicting the American and Israeli leadership in a panic.

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.