WASHINGTON (AP) — The U.S. struck Iran on Friday in response to a drone attack a day earlier on a cargo ship in the Strait of Hormuz. It's the most significant test yet to an interim understanding reached a week ago by the two countries to begin working to end their months-long war and reopen the pivotal waterway.

U.S. President said the drone attack violated the . The strikes came shortly after Trump told reporters, “You’ll find out,” whether the U.S. would respond.

The Associated Press