At 8.00am on Tuesday 14 February police received reports of a serious assault at Camden Road, Ellesmere Port.
Officers swiftly attended the scene and a 19-year-old man was found to have suffered several puncture wounds. He has been taken to the Countess of Chester Hospital, and his injuries are believed to be serious, but non-life threatening.
Investigations into the incident are currently on-going a police cordon is currently in place on Camden Road.
Detective Inspector Chris Williams said: "The investigation is in the very early stages but I would like to reassure people that this appears to be an isolated incident. Officers remain at the scene and enquiries are on-going.
“I urge anyone who was in the area at the time of the incident and believes that they may have witnesses anything suspicious to call 101. If anyone has any concerns they are urged to speak to a local officer."
Anyone with any information is urged to call Cheshire Police on 101 quoting incident number 129 of 14 February 2017