A gunman alleged pulled up to the crowded venue while wearing body armor and carrying ammunition and began to fire on the crowd according to police. Officials on the scene said that the gunman was alone and was killed by officers who responded. This is the second major mass shooting in under 24 hours, as news of this came not too long after the El Paso shooting that resulted in the death of 20 people. During a statement issued by Dayton Mayor Nan Whaley, it was revealed that the shooter had extra magazines to commit the heinous act and that the shooter was carrying a .223-caliber rifle.