The Saskatoon Police Service responded to a fight on a downtown city bus on Thursday night.

The call came in from the 200 block of 1st Avenue South around 9:30 p.m. that during an altercation between three people on a city bus an imitation firearm was allegedly discharged. No injuries were reported.

As police were responding, an update was received that the suspects were now at a bus stop in the 10 block of 22nd Street East. Arriving officers located the suspects and, through investigation, found one to be in possession of an imitation firearm. The 15-year-old male has been charged with possession of a weapon while prohibited.