DALLAS. The FBI is treating the attack on a synagogue in a suburb of Fort Worth on Saturday as a “terrorist act against the Jewish community,” bureau director Christopher A. Wray said Thursday. “This was not some random event,” Mr. Ray told viewers of the webinar hosted by the Anti-Defamation League. “It was deliberate, it was symbolic, and we’re not going to tolerate anti-Semitism in this country.” The bureau initially stated that the attacker, a British citizen named Malik Faisal Akram, was not motivated by anti-Semitism when he held four people hostage in a synagogue for 11 hours. At a...