A three-vehicle crash on Highway 402 east of Strathroy sent one driver to hospital with burns to 30 per cent of his body.
The crash happened Thursday afternoon in the eastbound lanes of the highway and involved a transport truck and two service vehicles.
The collision closed Highway 402 eastbound at Highway 81 and westbound at Glendon Drive.
The other people involved in the crash had non-life threatening injuries.
Police say the transport caught fire after the collision and a driver in one of the service vehicles was able to pull the transport driver out of his vehicle.