At around 3pm on Saturday, June 8, a blue Nissan Micra and a blue Suzuki Motorcycle collided on the A418 westbound near Gibraltar.

The driver of the Nissan Micra, a woman in her sixties, suffered minor injuries, and did not require hospital treatment.

But the motorcyclist, a man in his forties, has been taken to hospital with ‘serious injuries’ following a crash near Aylesbury.

Investigating officer PC James Holmes of the Joint Operations Roads Policing Unit, said: “We are appealing for the public’s help in our investigation.

“We would ask anyone who witnessed this collision or may have dash-cam footage to please come forward.

“If you have information please provide it via our online reporting pages quoting reference 43240268419, or by calling 101 quoting the same reference.”