WASHINGTON (DC News Now) -- Several first responders in Washington, D.C. were on the scene in Northwest Monday morning after a row house collapsed, trapping a worker. Details remain limited; however, in a post on X, the DC Fire and EMS Department said crews were on the scene of a significant collapse in the 1100 block of V Street. Officials told DC News Now that shortly after 9:30 a.m., a call came in for a building collapse with a man trapped under a large amount of debris. Weather Flash: Winter Solstice is here Officials said crews were completing demolition work when the building fell. The fire department said the structure collapsed at the back of a two-story row house. As of Monday morning, rescue operations were ongoing and a K-9 unit was on the scene. Police tape was placed on V Street in Washington D.C. after a building collapsed, trapping a worker on Dec. 23. (Ben Dennis/DC News Now) (Ben Dennis/DC News Now)