Police have charged a driver with careless driving following a four-car pileup on Highway 401 near Trafalgar.
The OPP say the pileup was triggered as traffic began to slow on the eastbound 401 around 1 p.m. on Thursday.
The truck that OPP Sgt. Kerry Schmidt says first caused the crash caught fire. The driver who was charged had minor injuries.
Other injuries in the incident were also minor.