The freight train was formed Coming_to_be ( from the London end ) of a hopper wagon , a pannier tank steam locomotive , a brake van , an empty bogie flatcar , and a bogie flatcar loaded with Land Rover vehicles .

The freight train was formed Coming_to_be ( from the London end ) of a hopper wagon , a pannier tank steam locomotive , a brake van , an empty bogie flatcar , and a bogie flatcar loaded with Land Rover vehicles .

The leading bogie of the locomotive derailed Motion_directional on hitting the trolley , but the driving wheels did not ; the engine continued onwards until it hit a diamond crossover at the north end of the station when it became completely derailed , detached from its tender and ended up facing backwards .

The leading bogie of the EMU derailed Self_motion and the train immediately collided with the solid structure Building of the overbridge , crushing Bodily_harm the driver 's cab , killing Killing driver Arthur McKee , 35 , and also killing Killing passenger Alan Nicol , 21 , who was seated Placing immediately behind the cab , with his back to the partition .