We received a report at 12.45pm on 20 February of a man on board a train from Brighton with a firearm. Sussex Police officers met the train at Gatwick Airport, and arrested a man in possession of two imitation firearms. BTP officers are investigating.
From 11.10pm until the end of service, trains between London Victoria and Orpington will be diverted non-stop between London Victoria and Shortlands with buses replacing service.