Simon Brown, 24, from Sussex, was struck by oncoming train on Sunday
Witnesses claim he was 'decapitated' after leaning out of the window
Shocked eyewitness described the moment the man's head 'flew off'
He was described by his family as being a 'railway fanatic' who had recently landed his dream job as a train engineer with Hitachi
A 24-year-old killed when he leaned out of train window on the Gatwick Express has been described as a 'railway fanatic' who had just landed his dream job as a train engineer.
Simon Brown, 24, from East Grinstead, in Sussex, suffered fatal injuries when he was struck in the head by a speeding train on Sunday afternoon.
Chillingly, it emerged today that Mr Brown had been tagged in a Facebook picture five years ago showing a man hanging out of a moving train.
Mr Brown was tagged in an image showing a man with his head and arms stretched out of the window of a 37255 locomotive on the Great Central Railway.
It was accompanied by the caption: 'Toby and Simon behind 37255', although it is not confirmed that it was him who was pictured.