The man who took four hostages at a synagogue in Texas on Saturday is a 44 year-old British citizen, the FBI said Sunday. In a statement, the Federal Bureau of Investigation identified the man as Malik Faisal Akram. Mr. Akram died late Saturday after a standoff that lasted more than 10 hours in the Dallas suburb of Colleyville. Officials didn’t say how he died. An elite FBI rescue team that flew in from Quantico, Va., stormed the synagogue and freed three of the hostages, authorities said. One hostage was released earlier, and none were harmed. A law-enforcement official with knowledge...