Report: Cannon House Office Building on Capitol Hill Under Evacuation

Update: Cox Media Group’s Washington correspondent Justin Gray reports that Capitol Police have given the “all clear” and will soon allow people to enter the Cannon House Office building. The cause of the brief evacuation is still unknown. Read Breitbart News’ original report below.

The Cannon House Office building on Capitol Hill is under evacuation, according to several emerging reports. Reporters on scene say an alarm can be heard. This cause of the development is currently unknown.

Just received an alert that Cannon House Office Building here in Washington is being evacuated. Audible alarm. No official reason given. pic.twitter.com/lrMA5qKj8b

— Matt Knoedler (@MattKnoedler) October 25, 2018

Reporters shared scenes of the evacuation on social media.

Evacuated House staffers outside Cannon pic.twitter.com/oi8blEeW8e

— Justin Gray (@grayjustin) October 25, 2018

Cannon House Office Building on Capitol Hill Evacuated after alarm goes off pic.twitter.com/gVj0BxVjqy

— Michelle Macaluso (@MichelleMacTV) October 25, 2018

Independence avenue shut down between Cannon House Office Bldg & Capitol for Cannon evacuation pic.twitter.com/2uhWAd14Mi

— Justin Gray (@grayjustin) October 25, 2018

Capitol Police tell me the Cannon House Building evacuation was not planned. They are trying to figure out why the alarms went off and say staff will likely not be allowed back inside for another hour pic.twitter.com/iG5aRDkecz

— Anna Wiernicki (@AnnaEWiernicki) October 25, 2018

Fire trucks briefly were outside Cannon House Office building after an audible alarm forced an evacuation. There is construction in the building….Situation seems to be pretty calm and fire trucks have departed. pic.twitter.com/gejG7URobI

— Alex Moe (@AlexNBCNews) October 25, 2018

Roll Call reports:

The House is in recess and most lawmakers are back in their districts ahead of the midterm elections.

Independence Ave., between First St and New Jersey Ave., has been closed to traffic and cars are being re-routed. U.S. Capitol Police police stationed officers along the building. Inside, the tunnel connecting Cannon to the Capitol is closed.

Cannon is the oldest congressional office building, built in 1908. The building is currently undergoing a full renovation, expected to take 10 years and cost approximately $752.7 million.

This is a developing story.