LONDON (Reuters) - Unidentified drones are still being spotted over United States Air Force (USAF) bases in England on Wednesday, a USAF spokesperson said, confirming that a fourth base had also been targeted by the week-long airspace incursions.

LONDON—The U.K. military deployed around 60 personnel to help protect U.S. military bases in East England after a spate of mystery drone sightings. The U.K. forces are working with the U.S. Air Force as it seeks to understand why drones have been lingering over the bases during the past week,

US Air Force in UK says a small number of drones spotted flying over bases in eastern England.