RAF Fairford live updates: Streeting thanks farmer who alerted police but says she has ‘a partial picture’

Member of the public who contacted police after seeing ‘group of hooded and masked men’ near RAF base says she thinks ‘someone dropped the ball’ over incident

In Fairford, police ‌have imposed a 400m ​cordon around the air base and ​evacuated about residents from 85 homes while the investigation into the major incident continues.

Here are some of the latest images being sent to us over the newswires from the scene: