Saskatoon police are investigating a stabbing this morning at Avenue O and 21st Street.

It happened just before 8 a.m. CST.

Paramedics arrived to find the victim on the side lawn of the blue corner house. He had apparently been stabbed in the back.

Several police cruisers were on the scene. Officers on foot and with dogs searched the alley and street. They were also interviewing witnesses.

The man's condition is not known.