President Donald Trump has signed a presidential memorandum deploying 2,000 National Guardsmen to disperse protests over immigration activity in the Los Angeles area, the White House said in a statement Saturday night.

Approximately 44 people” were administratively arrested ​​and one person was arrested on an obstruction charge, Homeland Security Investigations said.

U.S. immigration authorities have extended activity in Los Angeles area in the wake of protests at an federal detention facility and a police response that included tear gas, flash-bangs and the arrest of a union leader.