One woman is dead following a crash on 9th line in the township of Essa, just outside Barrie.
Provincial police say the incident happened just after 4 p.m. Sunday when a woman in a car travelling southbound on 9th Line failed to stop for a stop sign, hitting a vehicle heading eastbound carrying six passengers.
One of those passengers was seriously hurt and three others suffered minor injuries.
Police have not released any details on the identity or ages of the passengers, nor whether any children were involved.
The investigation has closed 5th Sideroad between 8th and 10th Line, as well as 9th Line between Highway 89 and 10th Sideroad. Emergency crews remain on scene.