Emergency services are currently attending a road traffic collision at Kirklinton, Carlisle.
A collision occurred at 11:00am between a Yamaha motorbike, a BMW motorbike and a car which failed to stop.
The car, a red Range Rover Evoke left the area and police are wanting to speak to the driver. They may not be aware that a collision occurred.
The driver of the BMW bike has sustained serious injuries. The other motorcyclist was not injured.
Anyone with information is asked to contact Cumbria Police on 101, referring to log number 160 of today (22nd June 2014