A 15-year-old boy had what police believe to be a knife held to his throat during an assault by a man on a Southern train.The attack happened at around 2.47pm on Tuesday, February 7 on a train between Crawley and Littlehaven before the man in question left the service at Horsham and joined a second train to Ockley.The boy and a group of friends were seated near the man, who was acting in an unusual manner, before he approached them and asked "Do any of you have a problem with me?"After...
