By Colleen Long, The Associated Press

Border officials are aiming to more than quadruple the number of asylum seekers sent back over the southern border each day, a major expansion of a top government effort to address the swelling number of Central Americans arriving in the country, a Trump administration official said Saturday.

It was the latest attempt to ease a straining immigration system that officials say is at the breaking point. Hundreds of officers who usually screen cargo and vehicles at ports of entry were reassigned to help manage migrants. Homeland Security Secretary Kirstjen Nielsen asked for volunteers from non-immigration agencies within her department, sent a letter to Congress late this past week requesting resources and broader authority to deport families faster, and she met with Central American and Mexican officials.

The efforts are being made while President Donald Trump is doubling down on threats to shutter the U.S.-Mexico border entirely, a move that would have serious economic repercussions for both the U.S. and Mexico but wouldn’t stop migrants from crossing between ports. His administration also announced it was cutting aid to the Central American countries home to most of the migrants.

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Photo: Mani Albrecht, U.S. Customs and Border Protection.

U.S. Struggling With Growing Number of Asylum Seekers