A teenaged male is in hospital with life threatening injuries after a serious assault that took place in the 100-block of John Street late Saturday night.
Shortly before 1 a.m., emergency crews responded to reports of a youth assaulted by an unknown male, who fled the area before police arrived.
The male victim is in hospital in critical condition.
The investigation is in its early stages, and has been reassigned to members of the major crime section.
More information will be released as it becomes available.
Anyone with information in relation to this incident is asked to call the London Police Service at (519) 661-5670 or Crime Stoppers at 1-800-222-TIPS (8477). Information can also be sent in online anonymously to London Elgin Middlesex Crime Stoppers.