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.

Affected organizations said the move would prevent them from offering critical legal services to migrant children who crossed the U.S. southern border without their parents or legal guardians.

The Interior Department reversed course on a stop-work order issued Tuesday that cut off funding for “all activities” related to legal aid for unaccompanied migrants younger than 18.