Officers are investigating a triple stabbing in Peterborough in the early hours of Saturday morning (August 17).
Police were called at about 12.20am with reports of violence in Freston, Paston.
An 18-year-old man and two 17-year-old boys were taken to hospital with stab wounds. One of the 17-year-olds has since left hospital, but the two other men remain in a serious condition.
No arrests have been made. A thorough investigation is being conducted and there is an increased police presence in the area.
Officers are treating this as an isolated incident.
Anyone with information should contact police via Cambridgeshire Constabulary's website using reference 35/60225/24. Anyone without internet access should call 101.
Comments: Our rules
We want our comments to be a lively and valuable part of our community - a place where readers can debate and engage with the most important local issues. The ability to comment on our stories is a privilege, not a right, however, and that privilege may be withdrawn if it is abused or misused.
Please report any comments that break our rules.
Read the rules here