"We have scrambled today to see what would be impacted, Parkland, schools. Because of the walk back, there will not be those immediate impacts."

NORTH TEXAS — U.S. Customs and Immigration Enforcement arrested 84 people in North Texas on Sunday, the agency said. Arrests were made in a number of areas, including Dallas, Fort Worth, Irving and parts of Collin County. The agency said it is part of an ongoing effort.