LONDON, ONT. -- Lambton OPP have now wrapped up an investigation into a fatal crash that happened in St. Clair Township in May.

Emergency crews were called to the intersection of Petrolia Line and Kimball Road around 12:30 p.m. on May 4.

Police say a transport truck and a motor vehicle collided with each other, killing one person.

One of the drivers was rushed to hospital with life-threatening injuries.

The passenger of the motor vehicle suffered non-life-threatening injuries and was taken to hospital.

A 59-year-old from Bradford West Gwillimbury is charged with careless driving causing death.