Police responded to reports of a "significant incident" at RAF
Mildenhall. The US Air Force base in Suffolk was on lockdown after a vehicle failed to follow security directions at the entrance and drove on to the base.
Police say incident at RAF Mildenhall was not terrorist related
Suffolk Police say an incident at RAF Mildenhall is not being treated as terrorism.
A 44-year-old British man was initially arrested on suspicion of criminal trespass.
The man, who suffered cuts and bruises in the incident, has been taken into custody. Police are not looking for anyone else on the site in relation to the incident.
Suffolk Police say the incident remains an active police investigation at this time and enquiries are on-going.