U.S. officials are trying to drive home an increasingly emphatic message to the growing number of mostly Central American asylum seekers crossing the U.S.-Mexico border every day: “Do not come. The border is closed.” #Immigration #JoeBiden #Mexico #News #Reuters 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