Authorities said three people were killed and 13 injured in the early Sunday shooting outside a Sixth Street bar, and investigators are continuing to piece together what led up to the attack.

As Saturday night spilled into Sunday morning, the sidewalks and crowded patios of lively Sixth Street in Austin, Texas, were cloaked in terror and fear as the clinking of glasses and music gave way to frantic calls for help after a gunman opened fire.

Doorbell video shows Austin mass shooting suspect Ndiaga Diagne leaving his apartment before the attack. The FBI later raided the unit as the shooting is probed as possible terrorism.

Austin Police Chief Lisa Davis played surveillance​ video​ and police​ body cam video​.

More than a dozen victims have been identified by Cincinnati police after the Riverfront Live mass shooting in addition to the nine who were shot.

Just as bars along Austin’s bustling Sixth Street were winding down for the night, a barrage of gunfire tore through the popular entertainment district in the heart of Texas’ capital. Now, investigators are looking into whether the gunman was motivated by the US attack on Iran.

Nine people were injured in a shooting during an event at a concert venue in Cincinnati early Sunday, March 1.

Colt Gray is accused of bringing a rifle his father Colin Gray had given him to school and killing two students and two teachers