The US said on Monday that it bombed radar and drone sites in Iran after Tehran shot down an American drone over the weekend. Iran then said it launched a strike of its own, and Kuwait reported incoming fire. Kuwait said its air defences opened fire early on Monday morning to intercept incoming drone and missile fire.

The nominal ceasefire between Iran and the US has been repeatedly tested with such back-and-forth attacks, even as officials from both countries try to negotiate an end to the war. It’s not clear how close they are to a deal — and there is the risk that an attack could derail those talks.