Seven people were killed and three others injured Saturday in a multivehicle collision in Georgia, authorities said.

The Georgia State Patrol said a Ford Excursion was traveling north on Interstate 85 in Franklin County when it crossed the median around 1:45 p.m. into the southbound lanes. The SUV struck a Chevrolet van traveling in the opposite direction, which hit a third vehicle.

Three people in the Ford and all four people in the van were killed. Three others in the Ford were injured and taken to a hospital. Their injuries were not specified.

No one in the third vehicle was injured. Two other vehicles suffered minor damage.

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Authorities have not released the names of those killed. Investigators were still trying to determine what caused the collision.

The Associated Press contributed to this report.