Delhi, Nov 26 (ANI): At least three people were killed in a train accident at the Delhi railway station, on Tuesday morning, said Joint Commissioner of Police, Mukesh Chand Meena. According to fire brigade official, Manish Kumar, the accident took place when a train derailed while reversing to unload and load parcels from a platform and then breaking the wall, reached the footpath leading to death of the three victims. According to Meena, it was a case of gross negligence.