A British government official says a criminal investigation is underway after drones were spotted recently by the U.S. Air Force over English military bases

The drones were detected between Wednesday and Sunday, near Royal Air Force Lakenheath, Royal Air Force Mildenhall and Royal Air Force Feltwell, all three of which are in eastern England. The bases house thousands of U.S. service members, primarily Air Force personnel.

The Air Force didn’t identify who was behind the incursions, but said officials determined there was no impact on residents or critical infrastructure.

The drones appeared at different times between Wednesday and Saturday and hovered over the Royal Air Force’s Mildenhall, Feltwell and Lakenheath bases

A comprehensive look at how the situation, which an anonymous U.S. official said appears to be coordinated and not the work of hobbyists, has unfolded so

The U.S. Air Force announced several unmanned aerial systems were detected over three bases it has used in the United Kingdom last week. The drones, which ranged in sizes and configurations, were spotted last week between Wednesday and Friday “in the vicinity of and over” Royal Air Force Lakenheath,

A number of unidentified drones have been spotted over three United States Air Force bases in England over the last six days, U.S. officials said on Tuesday.

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.

LONDON - A criminal investigation has been launched after the U.S. Air Force reported that drones were spotted flying over English military bases, a British official said Wednesday. The U.S. Air Force reported several incursions occurred in the past week at four bases where the American forces operate.