The U.S. Department of Homeland Security on Saturday ordered an emergency agency that usually responds to floods, storms and other major disasters to help care for a growing number of migrant children arriving at the U.S.-Mexico border. #News #Reuters #immigration #JoeBiden Subscribe: http://smarturl.it/reuterssubscribe Reuters brings you the latest business, finance and breaking news video from around the globe. Our reputation for accuracy and impartiality is unparalleled. Get the latest news on: http://reuters.com/ Follow Reuters on Facebook: https://www.facebook.com/Reuters Follow Reuters on Twitter: https://twitter.com/Reuters Follow Reuters on Instagram: https://www.instagram.com/reuters/?hl=en