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asylum seekers

U.S. agents fired tear gas at a group of migrants on Sunday as they tried to cross into the United States from Tijuana, Mexico.

The incident took place at the San Ysidro Land Port of Entry between Tijuana and San Diego, where tens of thousands of people cross between the U.S. and Mexico each day.

President Trump's effort to limit the number of people seeking asylum in the United States faced legal challenges in two different federal courts on Monday.

Updated Friday at 5:08 p.m. ET

The Trump administration is taking steps to stem the flow of Central American migrants crossing the U.S. border from Mexico.

The administration issued a new rule Thursday designed to prohibit migrants who cross the border outside of designated entry points from seeking asylum in the United States.