The man was investigated by British authorities as a possible "terrorist threat" but the investigation was later closedThe gunman who took four people hostage at a Texas synagogue in a 10-hour standoff that ended in his death was checked against law enforcement databases before entering the U.S. but raised no red flags, the White House said Tuesday. Malik Faisal Akram, a 44-year-old British citizen, arrived in the U.S. at Kennedy Airport in New York about two weeks ago, a law enforcement official said. He spent time in Dallas-area homeless shelters before the attack Saturday in the suburb of Colleyville. British...