Washington, D.C., and Alexandria and Arlington in Virginia are under a curfew until 6 a.m. Thursday. As of 10:30 p.m., D.C. police reported 47 arrests of curfew violators. Mayor Muriel Bowser announced D.C.’s curfew Wednesday afternoon after a mob rushed up the steps of the U.S. Capitol as Congress debated the presidential vote count. Rioters then breached the Capitol building..