The OPP have confirmed that Highway 17 is closed just east of Dinorwic near Dryden, following a head-on collision between two vehicles.
Police say that the collision is near Robertson Road, and serious injuries have been reported. The OPP, Dryden Fire Service, Wabigoon Fire Department and paramedics are on scene.
There is no estimation on when the highway will re-open. Emergency responders were called to the scene around 11 a.m.