The emergency services were called to the track in Colchester at around 9.30am today (January 12).
Officers arrived with paramedics and a person was taken to hospital with “life-changing injuries”.
The incident is not being treated by police as suspicious.
LIVE updates as trains cancelled on London line after person hit by train
The lines have since reopened by disruption is expected to remain until 3.15pm with delays and cancellations possible.
A British Transport Police spokesperson said: “We were called to an area of the line in Colchester at around 9.30am this morning (Monday 12 January) following reports of a casualty on the tracks.
“Officers attended along with paramedics and a person was taken to hospital with life changing injuries.
“The incident is not being treated as suspicious.”
- If you’ve been affected by what happened on the network today, there is always someone to talk to. You can contact the Samaritans on 116 123 from any phone for a confidential chat.

