PETERBOROUGH, Ont. -- The province's police watchdog is probing the shooting of a man at the scene of a fatal stabbing Friday night in Peterborough, Ont.

The Special Investigations Unit says Peterborough police responded to a call about an assault just before midnight.

Officers encountered a man with a knife, shots were fired and the man was wounded.

The 25-year-old man is in intensive care after emergency surgery in Toronto.

The body of a dead woman was found at the scene.

Five investigators and two forensic investigators have been assigned to the case. The SIU wants to hear from anyone who may have witnessed what happened.