A gunman wearing clothes with an Iranian flag design and the words "Property of Allah" killed two people and wounded 14 early on Sunday at a Texas bar, a law enforcement official told The Associated Press. The FBI is investigating the shooting, which erupted a day after the US and Israel launched an attack on Iran, as a potential act of terrorism. Police in Austin shot and killed the gunman, who used both a pistol and a rifle to carry out the attack, police said. The shooting happened outside Buford's Backyard Beer Garden just before 2 am along Sixth Street, a nightlife destination filled with bars and music clubs and only a few miles (kilometres) from the University of Texas at Austin. Nathan Comeaux, a 22-year-old senior, had spent the evening there with friends and said the bar was "full of college students, probably mostly UT kids, shoulder to shoulder, hundreds just enjoying their nights." The suspect drove past the bar several times before stopping and shooting from the windo