Regina Police say a man was walking in the vicinity of 12th Avenue and Angus Street early Sunday morning with what appeared to be a chest wound.
When officers arrived at the scene they learned the 21-year-old man had been assaulted with a bladed weapon.
Police say a 39-year-old man is in custody in relation to the incident.
However Police would like anyone with information to contact them or Crime Stoppers as they continue their investigation.
The victim was transported to the hospital by Regina EMS at the time of the incident.
His injuries are said to be not life threatening.