COLUMBIA, S.C. — Twelve people were injured during a shooting at Columbia Centre mall in Columbia, on Saturday and three people have been detained, according to police. None have died from the shooting. Of those 12 injured, 10 were hit by gunfire and two others were hurt as people fled to exits, Columbia Police Department Chief Skip Holbrook said at a 5 p.m. news conference in Harbison, where Columbiana mall is located. Eight of the people hit by gunfire were transported to area hospitals, with two in critical but stable condition. Two other gunshot victims took themselves to a hospital, Holbr…