The US Navy said it has not lost any drones over the Gulf recently, Reuters has reported.
Iran's media earlier said a US drone was captured by the naval unit of the Islamic Revolutionary Guards Corps in the last few days after flying into Iranian airspace.
More top news
A woman hit by police gunfire during a counter-terrorism operation has been arrested after being released from hospital.
Police have been granted extra time to question a man who is being held on suspicion of planning a terror attack.
The man opened fire at the house, shattering the front door and window.