A woman was killed and another injured after shots were fired near a Clayton County school graduation ceremony in Georgia on May 18.AJC reported the incident occurred at a parking lot at Mt. Zion High School after a graduation ceremony had concluded and the two people shot were not students. It was unclear if they were attending the ceremony.A video taken by an eyewitness shows emergency service vehicles gathered at the scene of the shooting. Credit: _theyloveleya via Storyful