Washington " A federal appeals court on Thursday halted a lower court ruling that required Florida and the Trump administration to dismantle parts of "Alligator Alcatraz," a controversial immigration detention site in the Everglades. The 2-1 ruling by a panel of judges on the U.S. Court of Appeals for the 11th Circuit will effectively allow Alligator Alcatraz to stay open while a lawsuit challenging the detention center on environmental grounds works its way through the court system.