Trump's optimism about talks to end the Iran war has been tempered by denials from Tehran, and violence that continues to keep the Strait of Hormuz gridlocked.

Iran US News Live Updates: A senior Iranian Foreign Ministry official has confirmed that Tehran received a US proposal via mediators and is reviewing it, according to CBS News. Catch LIVE updates with

A woman sifts through the rubble of a house damaged by missile attacks in Tehran on March 15. (Majid Saeedi/) Now entering its fourth week, the Iran war has engulfed the Middle East, killed more than 2,

President Donald Trump extended his deadline for striking Iranian power plants as pressure mounts over shipping through the Strait of Hormuz. Trump says discussions will continue throughout the week as the war continues.

Less than a day after saying the war was "winding down," President Trump threatened to destroy Iran's power plants if the Strait of Hormuz isn't opened.

Joe Kent, who headed the National Counterterrorism Center, said in his resignation letter that "Iran posed no imminent threat to our nation."

Strikes targeting Iran’s energy infrastructure marked a sharp escalation on Day 25 of the conflict on Tuesday, with the semi-official Fars News Agency reporting damage to key gas facilities in central Iran.

The Senate confirmed Markwayne Mullin as homeland security secretary on Monday, installing a Trump loyalist to head the agency responsible for carrying out immigration enforcement at a time when it is reeling from dimming public opinion.