9 killed in Ohio in second US mass shooting within 24 hours

A shooter in body armor and carrying extra magazines opened fire early Sunday in a popular nightlife area of Dayton, Ohio, killing nine and injuring dozens before being slain by police, authorities say, in the second U.S. mass shooting in less than 24 hours.Police patrolling the area responded in less than a minute to the shooting, which unfolded around 1 a.m. on the streets of downtown Dayton's Oregon District, Mayor Nan Whaley said.Had police not responded so quickly, "hundreds of people in th