The Saskatchewan RCMP says it is on the scene of a serious collision involving a police vehicle by the rodeo grounds on Muskowekan First Nation near Punnichy, Sask.

An RCMP news release says the collision between two vehicles occurred on Highway 15.

The release did not say if the police vehicle involved belongs to the RCMP or not.

Highway 15 is closed for an undetermined amount of time with detours in place, the release said.

Punnichy, Sask. is about 127 kilometres north of Regina.