The Iran war’s shaky ceasefire was further strained on Friday as the United Arab Emirates said it intercepted a missile and drone strikes, hours after the U.S. said it thwarted attacks on three Navy ships in the Strait of Hormuz and retaliated against Iranian military facilities.

There were no immediate reports of damage in the UAE.

Iran and the U.S. are trading blows as their negotiators seek a deal to end the fighting, but so far they’ve avoided a return to all-out fighting. It’s not clear how close the two sides are to a deal on issues like Iran’s nuclear program, which the U.S. and Israel vowed to halt when they launched the war on Feb. 28, or the Strait of Hormuz, a vital waterway that Iran has all but closed in a bid to pressure the global economy.