See this message from last night at around 10 pm:
There is heavy police
activity on the corner of Randolph Place and North Capitol Street. The
police has Randolph Place, NW tapped off and they tapped off Jam Doung. Noticed it at 7:00pm on the way to church
(had to go through the alley and exit on S Street, NW) to get to Bible
study. Several police hours with flashing lights are out.