Train services through Gloucester have been disrupted after police discovered the body of a man on the railway track.
Officers were alerted by staff at the city's railway station at 0635 BST on Tuesday.
British Transport police have taken charge of the investigation and a police surgeon has been called to the scene, at Dean's Walk in Kingsholm.
First Great Western, Wessex Trains and Arriva Trains have all said services via Gloucester are disrupted.
The death is being treated as suspicious until the cause is established.