Ontario Provincial Police say a two-car crash on Highway 511 has claimed the life of a second driver.

Police say 35-year-old Ronald Cooper died of his injuries in hospital.

The fatal crash happened Sunday night at Highway 511 and Drummond Concession 7.

The driver of a pickup truck, 47-year-old Christopher Curran, was pronounced dead at the scene.

Police say Cooper's Mazda hatchback was travelling west on Drummond Concession 7 when it struck Curran's truck.

Both men were residents of Lanark County.

An investigation is ongoing.