Provincial Police in Kenora investigated two calls involving firearms on Saturday.
OPP say around 9:00am officers responded to a report of a shooting outside an apartment building in the north end of town.
A victim was taken to hospital with serious injuries.
Police say they are searching for a male suspect.
A second call came in at 2:00pm.
OPP responded to a break and enter on the same side of the city and learned that two suspects armed with a firearm had forced their way into a home and stole electronics.
Police say the suspects were located and arrested around 7:00pm the same day.
An investigation into both incidents is still ongoing.