Two response constables and a detainee were struck by an oncoming car.
Sussex Police and Gatwick Airport Ltd reflect on another successful campaign
Daniel Weyman died in hospital - man and woman arrested on suspicion of murder.
Nick Downs had been missing since Saturday 21 September.
Witnesses sought to incident in Norwich Drive, Bevendean.
Driver of light coloured car also sought
Fire at Pankhurst Avenue being investigated by fire officers.
The protest passed peacefully and without incident.
He has appeared in court.
Troublemakers ordered to stay out of town or risk arrest