A 22-year-old man is in critical condition after a stabbing in the West End overnight.

On Saturday morning, blood and clothes could be seen in the back lane and parking lot of Lions Manor on Sherbrook Street, which was taped off.

Police have a 13-year-old suspect in custody, officers said at a press conference on Saturday. He will be charged with aggravated assault, police said.

A passerby saw the injured man and called police.

The victim was rushed to hospital and officers arrested the suspect in 300 block of McGee Street, police said.