In the village of Beck Row, Suffolk, which is situated next to RAF Mildenhall, residents reported brightly lit aerial vehicles hovering above their houses and over the base itself. Casseem Campbell, 28, said he had seen objects above his house in Beck Row.

The drones were spotted between Wednesday and Friday near RAF Lakenheath, RAF Mildenhall and RAF Feltwell. They were actively monitored after they were seen in the vicinity of and over the three bases, U.S. Air Forces Europe said in a statement.

U.S. troops in Europe reported a swarm of unidentified drones flying over several Air Force bases in the U.K. in the past week, a sighting that comes amid a growing mystery of UFO sightings near military installations.

Over the past week, unidentified drones have been seen flying over joint U.S.-U.K. military bases in the United Kingdom.

The British military has increased security around four air bases in the country that are used by U.S. forces after "a number" of drones were spotted near them.

RAF Brize Norton has asked people to report it if they see a drone as suspicious activity is reported around USAF bases across the UK.

Since the first small unmanned aerial system was first spotted on Nov. 20, the number of drones has fluctuated and there have been a range of different sizes and configurations, said the U.S. Air Forces in Europe spokesperson.

Unidentified drones have been spotted flying over four bases used by the United States Air Force in Britain, prompting the British government to call in military staff to help protect the sites. The U.

Unidentified drones have been spotted again over three British air bases used by the U.S. Air Force, officials confirmed Tuesday. The three bases are all located within the same area of eastern England between Cambridge and Norwich,