Barrie Police continue to look for suspects after a man was stabbed in the city's downtown core on Saturday.
Police were called to the scene on Dunlop Street West and Maple Avenue around 3 a.m.
The 28-year-old victim was airlifted to a Toronto-area trauma centre with critical injuries.
No suspect description has been provided at this point.
Barrie Police tweeted a photo of a woman they would like to speak with, who they say may have witnessed the altercation.