Regina Police were called to the QCX Saturday after bear mace was used.
When police arrived, they noticed a group of youths seemed to have an issue with another group of youths, next to a ride on the midway.
One of the youths apparently sprayed bear mace into the crowd, it is not known who the intended target was.
The injuries in this incident were minor.
Police are still investigating.
Anyone with information is asked to call Regina Police or Crime Stoppers.