Police investigating the death of a man on rail tracks near Merthyr Tydfil say he is now understood to have been aged 47 and from Cardiff's Roath Park area.
Officers from British Transport Police were called to Merthyr Vale station on Wednesday after reports of a person being struck on the line.
The train involved was the involved was the 1738 Arriva Trains Wales service from Merthyr Tydfil to Bridgend.
Police say the death is not being treated as suspicious.
"BTP officers were called to Merthyr Vale railway station, on Wednesday 16 February after a report that a person had been struck by a train," said a police spokesperson.
"Paramedics from the South Wales Ambulance Service also attended and the body of a man, believed to be a 47-year-old from Roath Park, Cardiff, was discovered at the scene."
Police say inquiries are continuing to confirm the identity of the dead man.
A report is also being prepared for the coroner.