NEW: The FBI arrested two men after they allegedly placed a bomb under a FOX 13 News vehicle in Salt Lake City. Officials say the device was lit but failed to detonate. Anti-Trump signs were found outside of where the suspects were said to be living. Suspects Adeeb Nasir, 58, and Adil Justice Ahmed Nasir, 31, face multiple charges — including threat of terrorism, possession of weapons of mass destruction, and explosive devices.