A man was stabbed during an attempted robbery in the early hours of Saturday morning.
The 38-year-old victim was walking along an alleyway between Hatton and Colne in Tinkers Bridge when he was approached by two men who demanded his mobile phone.
When he refused one of the offenders assaulted him.
The victim was taken to Milton Keynes Hospital for treatment but his condition is not thought to be life-threatening.
No property was stolen.
Investigating officer, Det Con Graeme Williams said: “This was a frightening ordeal for the victim who has sustained an injury as a result of the attempted robbery.
“We are very keen to speak to anyone who may be able to identify the offenders or who has any information regarding this incident.
“Officers are conducting enquiries today and will be patrolling the area and I urge anyone with any information to contact police immediately via the 101 number.”
Anyone with any information about this incident is asked to call the 24-hour Thames Valley Police Enquiry Centre on 101.
Alternatively call Crimestoppers, anonymously, on 0800 555 111 or online at Crimestoppers-uk.org