Dayton, Ohio • A gunman wearing body armor and carrying extra magazines opened fire in a popular nightlife area of Dayton, Ohio, killing nine and injuring dozens, authorities say, in the second U.S. mass shooting in less than 24 hours.
Dayton police patrolling the area responded in less than a minute to the shooting, which unfolded around 1 a.m. Sunday on the streets of the Oregon District, Dayton Mayor Nan Whaley said at a press conference.
Whaley said if the police had not responded so quickly, "hundreds of people in the Oregon District could be dead today.