The influx came the morning after the Republican president announced he would be activating the guard members and taking over the District's police department.
About 850 federal law enforcement officers were deployed in Washington on Monday and arrested 23 people overnight, Leavitt said. The charges, she said, included gun and drug crimes, drunk driving, subway fare evasion and homicide.
The U.S. Park Police has also removed 70 homeless encampments. People who were living in them can leave, go to a homeless shelter or go into drug addiction treatment, Leavitt said. Those who refuse could face fines or jail time.