Officers in the region are probing reports that several women were pricked with GHB at the Saint-Tite rodeo event.
Multiple women claim they were injected by syringes unaware during the event.
GHB is a sedative.
State police have confirmed an ongoing investigation into these events.
Officers are now assessing the reports made by the individuals who have come forward.
The investigators have not given any additional details.
They have not indicated the number of victims reported the injections.
The inquiry is continuing.