Two young children were killed in a southeast Hall County wreck that sent the driver and two other passengers to the hospital on Sunday afternoon. A 4-year-old girl and 1-year-old boy died in the one-vehicle wreck at about 1:50 p.m. on Candler Road/Ga. 60 near Ga. 211, according to Georgia State Patrol. The driver, Sabrina McConnell, 25, of Hall County, was in the intensive care unit as of Monday morning.