Chief Pentagon spokesman Sean Parnell told CNN that “America’s military is the most powerful in the world and has everything it needs to execute at the time and place of the President’s choosing.”

It comes after President Donald Trump said he was prepared to wait a few more days to "get the right answers" from Tehran.

Iran has already restarted some of its drone production during the six-week ceasefire that began in early April, one sign it is rapidly rebuilding certain military capabilities degraded by US-Israeli strikes,

U.S. Marines boarded an Iranian-flagged oil tanker in the Gulf of Oman on Wednesday, on suspicion that the crew intended to run the American blockade.

By Parisa Hafezi and Rami Ayyub DUBAI, May 21 (Reuters) - Iran's Supreme Leader has issued a directive that the country's near-weapons-grade uranium should not be sent abroad, two senior Iranian sources said,

Iran's foreign ministry reviews a new U.S. proposal as Pakistan's interior minister visits Tehran to push for a deal. Iranian Foreign Minister Abbas Araghchi warns the U.S. while President Donald Trump insists he's in 'no hurry' for a deal.

Brent crude went up on Thursday as U.S. and Iran warn of further attacks even as oil inventories for America remains tight.

May 21 (Reuters) - Iran has already restarted some of its drone production during the six-week ceasefire that began in early April, CNN reported on Thursday, citing two sources familiar with U.S. intelligence assessments.