Greater Anglia said some train lines in Essex were blocked after an incident between Romford and Shenfield on Wednesday evening.
Police officers have now confirmed there was a fatality at Harold Wood station.
A British Transport Police spokesman confirmed: “Officers were called to Harold Wood station shortly after 7.30pm yesterday, Wednesday, following reports of a casualty on the tracks.
“Paramedics also attended but sadly a person was pronounced dead at the scene.
“The incident is not being treated as suspicious and a file will be prepared for the coroner.”
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