The FBI is assisting with the Dayton shooting investigation, a Dayton Police spokesperson said during a news conference early Sunday morning.
The shooting happened after 1:00 a.m. ET in a popular area in downtown Dayton, the spokesperson said.
According to police, the shooter, who is now dead, used a long gun. A motive for the shooting is not known.
Officers were in the area patrolling when the shooting started and were able to respond to the scene quickly, police said.