US will shoot down Iranian drones that fly too close to its ships: Official

The United States will destroy any Iranian drones that fly "too close" to its ships in the Strait of Hormuz and has evidence that it shot down a drone on Thursday, a senior Trump administration official said on Friday.

Iran dismissed US President Donald Trump's assertion that the US Navy destroyed one of its drones. 

Iran said all of its unmanned planes were accounted for, amid growing international concern that both sides could blunder into a war in the Gulf.

"If they fly too close to our ships, they'll continue to be shot down," the Trump administration official said, briefing reporters on condition