Police say two people are seriously injured following a two-vehicle collision in Township of Perth East on Wednesday morning.
Emergency services responded to a collision at the intersection of Line 39 and Road 125 near Sebringville.
According to Perth County OPP, the collision involved a gravel truck and a school bus, though no students were on board.
Police reported the driver of the bus sustained serious injuries, while an adult passenger sustained life-threatening injuries. Both were taken to hospital.
The driver of the dump truck sustained minor injuries.
The intersection remains closed while members of the West Region OPP Traffic Incident Management and Enforcement Team continue to investigate.
Motorists are asked to avoid the area.
Anyone with information about the collision, including video or dash camera footage, is asked to contact the Perth County OPP at 1-888-310-1122.