A multi-agency search operation is underway following a report that a man fell into the water while out in a boat on the River Eden, near Lazonby.
Police received a report of concern for the welfare of the man at 3.21pm today.
The North West Ambulance Service, Cumbria Fire and Rescue Service, the Coastguard, mountain rescuers and specialist police divers have also been deployed in the operation.
