A 50-year-old London man has died and another driver is fighting for his life following an early-morning collision in East Zorra-Tavistock.

Ontario Provincial Police responded to the crash at Cassel Sideroad and Highway 59 at approximately 5:10 a.m. Thursday. The collision involved an SUV and a pickup truck.

The SUV driver was taken to hospital but later died from his injuries. The pickup truck driver, a 34-year-old man from Courtland, was also transported to hospital with life-threatening injuries.

Highway 59 was shut down in the area for several hours while investigators examined the scene. The roadway reopened around noon.

Police have not released the circumstances that led to the crash. The investigation into the cause of the collision is ongoing.