A man needed hospital treatment for stab wounds after an assault in Milton Keynes on Sunday evening.
The incident happened in the Leadenhall area between 10pm and 10.30pm and the offenders are thought to have been one white man and two black men.
“We are investigating an assault against a man which we believe occurred between approximately 10pm and 10.30pm in Leadenhall on Sunday,” said Investigating officer, Det Sgt Luke Grove from Force CID at Milton Keynes police station.
“At this stage we do not know exactly where the incident happened and we are working to establish the circumstances.
“I would like to speak to anyone who saw or heard anything out of the ordinary in the Leadenhall area, which may have been connected to how this man came to sustain his injuries.
“If you have any information, no matter how insignificant the detail may seem to you, please call us on the 24-hour 101 number, as it may help with our investigation.”
If you do not want to speak directly to the police you can contact the independent charity Crimestoppers anonymously on 0800 555 111.