A large number of police were spotted working alongside the coastguard following an incident at Central Pier in Blackpool.
Approximately ten police cars, the coastguard and a helicopter were spotted at the pier at around 5.30pm on Wednesday (September 20).
Eyewitnesses at the scene say they are searching for a man who reportedly jumped off the pier, but this has not yet been confirmed.
Emergency services remained at the scene at around 7.45pm.