House lawmakers are being urged to use underground tunnels while travelling between the Capitol and office buildings on Jan. 6 in the midst of the Joint Session of Congress and related protests, according to a letter sent out by the House sergeant at arms that was obtained by The Epoch Times on Tuesday. The notice from House Sergeant at Arms Paul D. Irving’s office said that all members of Congress “should expect demonstration activity and street closures to impact access” to the Capitol building area. “The Rayburn, Cannon, and East House Underground garages will be open for use. Whenever possible, Members, and staff who are authorized to park in the garages are encouraged to do so,” says the notice. “All Capitol plaza and drive permit holders are permitted to park in the Rayburn Garage and will have access to the G1R and G2R levels.” It added: “When moving to and …