Lambton OPP say two motorcycles were involved in a collision with a passenger vehicle on Highway 21 in Lambton Shores Tuesday afternoon.
Police told Sarnia News Today Hwy. 21 was closed between Outer Drive and Northville Road in Port Franks at around 1:30 p.m.
Two people were taken to hospital with what were believed to be serious, but non-life-threatening, injuries.
No further details on the drivers or charges were known.
Police said the investigation was still in its early stages.