CASCO TOWNSHIP, Mich. (WOOD) — The Allegan County Sheriff’s Office told News 8 a person is in critical condition after a car crash Friday night.

Deputies and police officers arrived on scene shortly before midnight near the area of Blue Star Highway and North Shore Drive in Casco Township. When authorities arrived, they found that a car had lost control and drove into the median before hitting a sign, which caused the car to roll over.

The investigation shows the driver was thrown from the car and was taken from the scene to a local hospital in critical condition. The name of the driver is being withheld at this time.

The crash remains under investigation and it is unknown whether alcohol or speed were factors in the crash at this time.