Metropolitan Police Department officers were serving a warrant in Northwest Washington, D.C., on Saturday morning when a wanted suspect fled into a residential unit and barricaded himself inside. The incident occurred around 8:33 a.m. in the 2400 block of Pennsylvania Avenue Northwest. Upon the suspect's entry into the building, MPD negotiators were immediately dispatched to the scene to manage the standoff. As a result of the barricade, the 2400 block of Pennsylvania Avenue Northwest has been closed to all vehicle and pedestrian traffic in both directions. Police are urging the public to avoid the area while negotiations continue. The suspect is currently at large and remains inside the unit. Authorities have not yet released specific details regarding the suspect's identity, age, or physical description, nor have they disclosed the specific charges associated with the warrant being served. The Violent Crimes Suppression Division is leading the response. No additional information regarding the resolution of the situation or the suspect's status has been provided at this time. Residents and passersby are advised to stay clear of the immediate vicinity to ensure public safety and allow law enforcement to conduct their operations without interference. This is a developing story, and further updates regarding the suspect's capture or the outcome of the negotiations will be provided as they become available.