A video has been published that shows the shocking aftermath of a train derailment at Chelmsford station.
The black-and-while film of the incident, which happened on October 22 1969, shows a number of wagons of a freight train, which was carrying ammunition and bound for the docks at Felixstowe, overturned and damaged.
According to an accident report by the Department of the Environment, the incident occurred at around 10.18pm as the train, which was travelling at around 42mph, passed through the station.
The eighth wagon became derailed, causing the rest of the 27-wagon train to derail behind it and resulting in both lines becoming blocked and "extensive damage" being caused to the platforms, tracks and signals.
No-one was injured in the incident, which shut the line until the early morning of October 24.
The exact cause of the accident was not given, but it was speculated in the report that the particular type of wagons used could, due to their design, oscillate laterally, which caused the derailment.
