Update at 7 p.m. — The situation ended after police found the subject dead in the apartment, per ACPD.
UPDATE: The subject was located deceased and ACPD is now conducting a death investigation. Based on the preliminary investigation, this is an isolated incident with no known threat to the community.
— ArlingtonCountyPD (@ArlingtonVaPD) February 22, 2019
Earlier: Numerous police and fire department vehicles are staged along S. Joyce Street in Pentagon City following a shots fired call.
Initial reports suggest gunshots were heard inside the apartment of a man who may be suffering a mental health issue.
Emergency responders are taking a cautious stance before potentially entering the apartment. Some vehicle and pedestrian traffic in the area, near the Pentagon Row shopping center, is being restricted.