We are appealing for witnesses and dashcam footage following a collision in North Somerset this afternoon (Friday 2 September).
Officers are investigating the circumstances around a collision between a motorcycle and a car, which happened at around 12.30pm.
One person has been taken to hospital by air ambulance with injuries which are believed to be life-threatening. Their family are aware and being supported by specialist officers.
We are asking any witnesses, or drivers with dashcam footage, to come forward and call us.