Trump is invoking Section 740 of the District of Columbia Home Rule Act that places the Metropolitan Police Department under direct federal control.

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, something the law allows him to do temporarily.

The U.S. military is preparing to activate National Guard troops in Washington, D.C., as part of President Trump’s crackdown on street crime in the city, a Defense Department official said on Monday.