Halton police are trying to figure out what caused a fatal head-on collision in Oakville that involved a tractor trailer.
At about 10:30 a.m. Tuesday, the truck collided with an SUV in an industrial part of the city, at Ford Dr and Royal Windsor Dr.
Police say they are still investigating why the SUV veered into oncoming traffic.
A 47-year-old man was killed and another person has non-life threatening injuries.
The collision caused a diesel fuel spill.