Sonora Gov. Claudia Pavlovich warned Friday that the talk about tariffs and border closures coming from Washington is endangering the economy of both her state and Arizona.

The head of Customs and Border Protection said there is no evidence of ISIS attempts to infiltrate the Southwest border and his agency is more focused on trying to prevent more unaccompanied minor immigrants.

Arizona Gov. Jan Brewer has responded in federal court to a friend-of-the-court brief filed by Mexico and 10 other Latin American countries regarding the state's new immigration law.

Federal authorities say they have rescued three Salvadoran children who were being held hostage by suspected human smugglers in the Phoenix metropolitan area.