Officers in the Quebec town are investigating claims that several women were injected with GHB at the Saint-Tite rodeo event.
Multiple women report they were pricked with needles without their knowledge during the festival.
This substance is a central nervous system depressant.
Quebec provincial police have confirmed an current inquiry into these incidents.
The authorities are now assessing the claims made by the victims who have spoken out.
The police have declined to give any further update.
They have not said how many women reported the injections.
The inquiry is ongoing.