Update: All Clear. “C Street blocked from Constitution to 3rd outside the Federal District Court.”

Update: “MPD reports the police activity has cleared from the 200 block of Constitution Avenue NW and the related road closures are now open.”

Thanks to G. for sending. AlertDC reports:

“MPD reports the following road closures due to police activity in the 200 block of Constitution Avenue NW:

-200 block of Constitution Avenue NW
-200 block of 3rd Street NW

Please use an alternate route.”

Ed. Note: Looks like it could be a suspicious package situation. Updates as more is learned.