Responding to the incident in Dayton, Ohio, at 01.22 am local time, police said the attacker, whose identity was not shared, was killed.
In shooting at a food festival in the state of California on July 29, 4 people were killed, including the gunman and 12 others were wounded.
A shooting at a shopping mall in El Paso, Texas, last night left 20 people dead and 26 injured.
ILKHA