Pakistan's Prime Minister Shehbaz Sharif on Monday unveiled a raft of austerity measures designed to save fuel, as oil prices soar due to the US-Israeli war on Iran.

Qatari authorities have arrested more than 300 people for sharing images and what they described as "misleading information" during days of attacks by Iran, the interior ministry said on Monday.

US Secretary of State Marco Rubio announced Monday he has designated Afghanistan as a "State Sponsor of Wrongful Detention," demanding Taliban authorities release two Americans and commit to ending its "hostage diplomacy."

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.

New footage shows what an expert investigative group says is likely an American Tomahawk missile hitting a compound in southern Iran, meters from the school where a deadly unclaimed blast killed over 165 people at the start of the war raging in the Mideast.

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.