Rail investigators have released further details of the derailment of a London Overground train at London’s busiest station.

The incident at Liverpool Street Station in the early hours of Thursday, October 15, sparked severe disruption after it forced the closure of three platforms.

On Tuesday, the Rail Accident Investigation Branch (RAIB) confirmed the first three carriages of the train derailed, and said it had been travelling at 7mph.

RAIB said as a result of its preliminary examination of the circumstances surrounding the incident and having assessed the evidence it has, it will publish a safety digest within “the next few weeks”.

It said: “At around 12.58am on 15 October 2026, an out-of-service passenger train collided with the buffer stop at platform 1 at Liverpool Street station, London.

“At the time of the collision, the train was travelling at approximately 7 mph (11 km/h). The driver was taken to hospital following the accident but did not suffer any physical injuries.”

Routes affected by the disruption included services from London Liverpool Street to Stansted Airport, Cambridge North and Hertford East, ads well as the Weaver Overground line.