US military security personnel have launched an emergency operation after suspicious activity by unauthorized drones was detected over a key US air base in the UK.
During the incident, military personnel were instructed to move to safer areas and take shelter inside buildings, while security alert at the base was further tightened.
According to the Associated Press and Reuters, the incident occurred at Royal Air Force Lakenheath in the county of Suffolk, eastern England, on the evening.
A US Air Force spokesman said that military security personnel responded to suspicious and unauthorized drone activity over the base and took protective measures.
According to the spokesman, US military personnel, aircraft and military installations were safe from the incident and no damage or casualties were reported.