Two men were taken to hospital with stab wounds on Saturday night, Ottawa police said.
The incident happened at about 10:30 p.m. near Bank Street and Heron Road, according to police.
One man is in serious condition with stab wounds in his back. The other was stabbed in the arm.
One of the men is 24, the other 29. No names were released.
Police are continuing their investigation and say they have not made any arrests.