Five people, including three children, were injured Wednesday morning in a two-vehicle, head-on collision on Dawsonville Highway/Ga. 53 near the Dawson-Forsyth County line. “One of the children was (taken to the hospital) in critical condition,” said Billy Thurmond, Dawson County Emergency Services director. The wreck occurred about 6:45 a.m. in a sharp curve just east of War Hill Park Road.