At least 1 dead and 4 injured in shooting in Washington D.C.

A shooting in Washington D.C. resulted in one death and four injuries, with the shooter also deceased. The incident began in a gym and escalated to the street. The shooter barricaded himself in an apartment and later shot himself. Police are investigating the motive, possibly linked to a conflict with the building's owners association. One victim died at the scene, while another is in critical condition. Resources for mental health support are provided.