The incident happened on Sunday afternoon.
A 17-year-old boy has been left with potentially life-changing injuries after being hit by a train at Welling station.
Emergency services were called to the station at 2.30pm on Sunday.
At the time, some Southeastern train services were diverted and did not run through Bexleyheath while emergency services attended the scene.
A British Transport Police spokesman confirmed: “Officers were called to Welling station at 2.35pm on Sunday (August 12) after reports of a person being struck by a train.
“Colleagues from the London Ambulance Service also attended, and a 17-year-old boy was taken to hospital with potentially life-changing injuries.
“This incident is not currently being treated as suspicious.”
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