An appeal for witnesses has been issued by Thames Valley Police after a man was seriously injured in a road traffic collision in Milton Keynes on Tuesday.
At about 9.45am, a blue Suzuki Wagon R was travelling north on Simpson Road from Bletchley towards Simpson when it left the road and came to rest in a ditch.
The rider, a 60-year-old man, was taken to Milton Keynes General Hospital with serious injuries.
Police would like to speak to anyone who may have witnessed the collision or seen the vehicle driving in the area around this time.
If you have any information call the police on 101 and ask to speak to PC Ian Stevens of the Milton Keynes Roads Policing Team. Alternatively, call Crimestoppers anonymously on 0800 555 111.