UPDATE: More information is being released about what led to a crash involving two motorcycles and a car on Highway 153 North at Shallowford Road.

It happened around 10:45 p.m. on Saturday.

Chattanooga police said a motorcyclist was heading north on the highway when he hit a car from behind. Another motorcyclist tried to avoid the crash, but hit the concrete dividing wall and ricocheted into the first motorcycle.

Both motorcyclists were thrown onto the pavement. The car was pushed into the concrete wall.

Police said three people were injured in the crash. Investigators said their injuries are not considered life-threatening, but one person is in critical condition.