In announcing the strikes in Iraq, the U.S. warned that further attacks on American troops or Saudi Arabia’s energy infrastructure risked additional action. There was no immediate comment from Tehran on the U.S. military statement or the strikes. Iraqi Prime Minister Ali al-Zaidi ordered security agencies to investigate after the Saudis alleged a similar attack on Monday. A Saudi oil tanker is targetedThe Houthis claimed to have fired missiles at the Saudi oil tanker NCC Ghazal, forcing it to turn back. The rebels fired on at least one Saudi tanker in the Red Sea last week.