DALLAS — The FBI is treating the attack on a suburban Fort Worth, Texas, synagogue Saturday as “an act of terrorism targeting the Jewish community,” Christopher Wray, the bureau’s director, said Thursday. “This was not some random occurrence,” Wray told viewers of a webinar hosted by the Anti-Defamation League. “It was intentional, it was symbolic and we’re not going to tolerate antisemitism in this country.” The bureau initially said that the attacker, a British citizen named Malik Faisal Akram, was not driven by antisemitism when he held four people at the synagogue hostage for 11 hours. At a news conference...