BOULDER, Colo — Six people calling for the release of Israeli hostages in Gaza were injured at an outdoor mall in Boulder, Colorado, by a man who police say used a makeshift flamethrower and hurled an incendiary device into a crowd. The FBI immediately described Sunday's violence as a “targeted terror attack.” The suspect, identified by the FBI as 45-year-old Mohamed Sabry Soliman, yelled “Free Palestine” during the attack on the group of demonstrators, said Mark Michalek, the special agent in charge of the FBI’s Denver field office. Soliman was arrested and taken to the hospital for treatment, but authorities...