A late-night argument on a MARTA bus in DeKalb County spilled over into gunfire Friday, rattling riders but leaving everyone physically unharmed, according to transit police.
The confrontation unfolded just after 11 p.m. near the intersection of Young Road and Redan Road, authorities said. Riders told officials they heard shots moments after the bus pulled up to a nearby stop, although investigators later confirmed the bus itself was not hit and no injuries were reported…