Watch: Detail about new call to police changes RAF Fairford timeline

One of the five men detained near RAF Fairford in the early hours of Sunday called 999 himself, the BBC understands. Shortly before that, a farmer also rang emergency services after seeing individuals in balaclavas. The five suspects were released on bail on Monday, with police describing the move as an "investigative decision... grounded in acquisition and strategy." BBC correspondent Daniel Sandford explained how the incident unfolded and outlined the latest allegations that have emerged. Read much about the RAF Fairford incident.