Another motorcyclist has been seriously injured after a head-on collision with a car.
Police said a Nissan Micra failed to negotiate a bend on the Saddlescoombe Road, Newtimber, near Poynings, and collided head-on with a Kawasaki motorbike.
The motorcyclist suffered severe internal injuries and was taken to the Royal Sussex County Hospital, Brighton.
He is believed to come from the Horsham area.
Three people in the car were also taken to hospital but released after treatment.
The names of those involved have not been released by Sussex Police, who operate data protection guidelines.
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