U.S. embassies across Middle East issue security alerts for Americans

What to know about the Iran war today:The U.S. military has escorted one billion barrels of oil and over 2,000 commercial vessels out of the Persian Gulf in the last couple of months, the leader of U.S. Central Command, Adm. Brad Cooper, said in a video released Saturday.The Iran-back Houthi militia in Yemen expanded attacks on Saudi Arabia on Saturday, targeting oil storage at the Riyadh international airport and Aramco oil facilities in Yanbu, both deep into Saudi territory. Saudi officials la