A cordon has been in place at the scene in Brudenell, Orton Goldhay since early this morning with forensic officers seen leaving a property and analysing nearby cars.
Police have confirmed that they were called to reports of violence in the area in the early hours of the morning and that a man was taken to hospital, he has since died as a result of his injuries.
A spokesperson for Cambridgeshire Police said: “Police were called at 4.43am to reports of violence in Brudenell, Orton Goldhay.
“Emergency services attended and a man in his 30s was taken to Peterborough City Hospital in a critical condition, but later died as a result of his injuries.
“Officers remain at the scene and an investigation is ongoing.
“Anyone who witnessed the incident should call police on 101 quoting ref: CC-19022021-0034. Alternatively you can contact us via our web-chat.”