RAIL services were temporarily delayed coming in and out of Hastings this morning after a train struck a man near Polegate.
The incident happened between Polegate and Berwick around 7.50am and involved the 6.49am Hastings to London Victoria service.
British Transport Police reported the man had been killed but were not treating it as suspicious.
Officers and paramedics attended the scene and found the body on the track at Folkington overbridge off the A27.
BT Police believe the man was aged 62 and from Heathfield.
All lines were blocked and Southern Rail was unable to run services between Hastings and Eastbourne in both directions.
While the lines were blocked and the situation was being assessed, replacement buses were running between Eastbourne and Lewes.
Trains were unable to run between Hastings and London while the line was blocked.
At 9.25am the all-clear was given and the electricity supply was restored.
Services are running again, but passengers are being warned there could be some delays this morning due to the knock on effect.
Emma Wiggins, spokesman for British Transport Police, said: “At 8:03am this morning, Thursday 16 August, BTP officers responded to a report of a person having been struck by a train between Polgate and Berwick, East Sussex.
“BTP officers and paramedics from the South East Coast Ambulance Service attended and the body of a man, believed to be 62 and from Heathfield, was found on the track at Folkington overbridge off the A27.
“The train involved was the 0649 Hastings to London Victoria service.
“This death is being treated as non-suspicious and a report is being prepared for the coroner.
“The line was clear and handed back to Network Rail at 9am.”