SWAT teams have responded to a scene on the West Side where a man who may be armed is barricaded inside a building.
A man entered a building in the 1200 block of South St. Louis Avenue at about 12:15 p.m. Sunday, according to Chicago Police, who say the man may be armed with a weapon.
SWAT teams have responded to the incident, and a neighboring building has been evacuated.
Authorities remain on the scene, and the situation is ongoing.
Source: NBC News Local