The uncontrolled evacuation at Holland Park is still under investigation. In its report today the Rail Accident Investigation Branch said the train operator was not aware that a fault with the brakes was generating smoke and fumes.
London Underground has also indicated that the train may have simultaneously suffered an electrical fault on one of its motors, which could have created a loud noise.
As soon as the train stopped passengers tried to get out. Since the doors had not been opened, people in the train and on the platform attempted to pull the twin-leaf doors apart.
Approximately two minutes after the train stopped, a small number of passengers started to exit the train using the inter-car doors at the end of each carriage, and then climbing over the inter-car barriers (see picture below) to reach the platform.
During this time, the Train Operator was attempting to establish what had happened, and the train doors adjacent to the platform remained closed.
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