Police are investigating the sudden death of a person on the railway line in Derry - Londonderry.
The Londonderry to Coleraine line has been closed following the incident, which happened close to Caw Park on Tuesday morning.
Police say the line is expected to remain closed for some time.
A spokesperson for Translink said that a bus substitution service will operate the route until further notice.
There are no further details at this time.
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