According to Georgia State Patrol Public Information Officer, SFC Michael Burns:

On Saturday, June 18, 2022, at 10:40 am, Troopers from post 4 Villa Rica responded to a two-vehicle crash on GA 61 at Flat Rock Road, in Carroll County. 

A Chevrolet Equinox was traveling north on GA 61, and a Toyota Tacoma was traveling south on GA 61. 

The Toyota Tacoma made a left turn directly into the path of the Chevrolet Equinox.  After impact, the Chevrolet Equinox overturned multiple times and left the roadway.  There were no injuries from the Toyota Tacoma, however, two occupants in the Chevrolet Equinox were transported by helicopter to Grady Hospital with serious injuries. 

The crash is also being investigated by the Georgia State Patrol Troop D Specialized Collision Reconstruction Team.

The above info is preliminary as the crash is still under investigation.