http://www.thepittsburghchannel.com/...03/detail.html
Police have closed off most of the Golden Triangle and blocked highway exits to Downtown while they investigate a reported security concern on Wednesday afternoon.
The closure began at about 1 p.m. in the 500 block of Penn Avenue (click for map), between Heinz Hall and Stanwix Street, near the intersection with Cecil Way.
The police activity is centering around a building used by the Pittsburgh Culinary Institute. Years ago, the building was home to a Horne's department store.
Police have not confirmed any details of their investigation. According to a witness who spoke with WTAE Channel 4 Action News, a police officer said that a man with a gun
may have been spotted in the building.
So in a country where we can bear arms, some guy with a gun who hasnt done anything and cant be found can shut down a city and fuck up bus routes?