Kerry says U.S. to expand plan to help Central American refugees

Kerry said the expansion will offer vulnerable Central Americans "a safe and legal alternative to the dangerous journey many are currently tempted to begin, making them easy prey for human smugglers who have no interest but their own profits."

In a speech at the National Defense University, Kerry said called the refugee crisis a global challenge.

(Reporting by Arshad Mohammed; Writing by Doina Chiacu; Editing by David Alexander)