A US appeals court temporarily blocked two requirements of the tough Alabama immigration law: one that schools check new students' immigration status and one that immigrants carry special ID.
Alabama immigration law: The 11th US Circuit Court of Appeals also blocked a part of the law that allows authorities to charge immigrants who do not carry documents proving their legal status.
Arizona officials criticize the appeals court ruling, which found that key sections of the immigration law are preempted by federal law. The ruling is a victory for the Obama administration.
Three legal challenges to the Arizona immigration law have already been filed in federal court in Arizona, asking judges to block implementation of the statute and declare it unconstitutional.