Detectives are appealing for a key witness to come forward after a person was found dead at Preston railway station on Saturday morning.
Officers were called to Preston railway station just after 1am (29 November) after a member of the public reported a casualty at the station to a member of staff.
Officers attended, alongside paramedics, however a person was pronounced dead at the scene. Enquiries remain ongoing into the circumstances leading up to their death.
Detectives are urgently appealing for the man who first reported the incident to contact police to aid their investigation.
He is believed to have travelled on a train bound for Blackpool North which left Preston railway station at 12.58am.
If you were the man who informed the member of staff or otherwise have information that would help the investigation, please contact BTP by texting 61016 or by calling 0800 40 50 40, quoting reference 41 of 29 November.
You can also contact Crimestoppers anonymously on 0800 555 111.

Overnight road closure planned for latest Preston traffic light upgrade
Lancashire County Council plan to raise council tax by 3.8%
The Harris reopens to record crowds thanks to Wallace & Gromit exhibition
Chorley bids for inaugural Town of Culture status
Closure order granted at problematic Preston address
Man given life sentence for stabbing a probation officer in Preston
Appeal after elderly pedestrian seriously injured in Leyland collision
Op Limit sees 271 drink and drug driving arrests in Lancashire


