A senior U.S. government official said this in Washington on Sunday evening.
“Iraq will treat these strikes as acts of aggression and take necessary actions to preserve Iraqi lives.’’
U.S. President Joe Biden had also put the militia back on the list of global terrorists. Houthi attacks continued.
A U.S. helicopter raid in northern Syria killed a senior Islamic State leader who was in charge of planning attacks in the Middle East and Europe.
The deployment reflects growing concerns in Washington that Iran might retaliate against the United States.
The two countries came close to war in January after Iran attacked two military bases housing U.S.-led coalition forces in Iraq.
