Immigration agents in the United States have been directed to track down and deport thousands of migrant children who entered the country without their parents, according to an internal memo obtained by Reuters.

More than 600,000 immigrant children have crossed the U.S.-Mexico border without a parent or legal guardian since 2019, according to government data.

The Trump administration is directing immigration agents to track down hundreds of thousands of migrant children who entered the United States without their parents, expanding the president's mass deportation effort,