Columbia County sheriff's Deputy David Herrity said the driver of a 1999 GMC Jimmy had fallen asleep and overcorrected when the vehicle went off the road and onto the shoulder. The vehicle then flipped several times.
An 11-year-old boy was ejected. The driver, Thomas Weeks, 19, of Martinez, and the boy were both taken to Medical College of Georgia Hospital by ambulance. Both were conscious, Deputy Herrity said.
A white, medium-size Chihuahua named Charlie fled the scene of the accident, which happened about 6 p.m., and was being sought.