Motorcyclist killed after colliding with a tree at at Benwick
Emergency services were called at around 5.54pm to reports of the crash in Ibberson's Drove, Benwick, where a motorcycle came off the road and crashed into a tree.
The man was pronounced dead shortly after the accident.
The crash happened between Forty Foot and Ramsey Road, and Ibberson's Drove is closed while an investigation is carried out.
Officers have warned that the closure is expected for some time, and people are being asked to avoid the area.
A Cambrigeshire Police spokesman said: "It was reported to us at 5.54pm that a motorbike had come off the road and crashed into a tree.
"I can confirm that we are dealing with a fatality at that location. We confirm that the motorcyclist was male.
"We've got road closures in place and we would appreciate if the public avoid the area."