Police are appealing for witnesses to a serious collision on the A259 at Telscombe Cliffs, near Peacehaven on Tuesday morning (November 21).
A Peugeot 207 was reported to have collided with a Honda CB650R motorcycle at around 8am, near the Smugglers Rest pub.
The rider of the motorcycle – a man in his 20s – was taken to hospital with serious injuries.
An investigation is ongoing to establish the full circumstances of what happened.
If you witnessed the incident or have any relevant footage, such as from a dashcam or doorbell, please contact collision.appeal@sussex.police.uk, quoting Operation Egerton.