'Not enough room': migrant flows strain Mexican border shelters

U.S. President Donald Trump has declared the caravans an unwelcome "invasion," and threatened to close down the Mexico-U.S. border to keep them out, ordering some 7,000 troops to reinforce the frontier, including in Tijuana with barbed wire.It has not stopped people trying to reach the border, including those from the caravans, others traveling from Central America independently, and Mexicans fleeing violence in cartel-plagued states.Jose Maria Garcia, director of the Juventud 2000 migrant shelt