President Donald Trump announced "major combat operations" against Iran on Feb. 28, with massive joint U.S.-Israeli strikes targeting military and government sites. Trump set a deadline for Iran to fully reopen the Strait of Hormuz or face broad strikes on its critical infrastructure.

The US wants agreement by all senior regime officials to any understandings reached in Islamabad.

US destroyer stops two Iranian oil tankers after Trumps blockade begins, highlighting rising tensions over the Strait of Hormuz and global oil flows

Iran has countered with a 10-point plan of its own. It calls for Iranian control over the strait, an end to the war and halting attacks on its proxies, including the powerful Hezbollah militant group in Lebanon as well as demands for compensation for the damage wrought by the war.

Analyst says Iran's delay in burying Supreme Leader Khamenei over 40 days after his killing reveals a deepening crisis inside the Islamic Republic.

Donald Trump reacted to news reports that China is preparing to ship weapons to Iran. "I doubt they would do that... but if we catch them doing that, they get a 50% tariff, which is a staggering amount,

The first direct US-Iran talks in more than a decade ended for now in Islamabad, with the ceasefire holding but major differences over the Strait of Hormuz still unresolved.

The U.S. and Iran held their first face-to-face talks since 1979 on Saturday in Islamabad as a Pakistani official said negotiations are "progressing well." Trump said he has "no idea" how talks will go and claimed the U.