U.S. Admiral Brad Cooper, the head of Central Command, declined to comment on whether he thought a ceasefire begun on April 8 remained in effect.

Iran fired missiles and drones at vessels in the Strait of Hormuz on Monday, and the U.S. sunk seven small Iranian boats in the waterway, U.S. officials said.

The U.S. military said it battled Iranian forces and sank six small boats.