CNN is reporting that the death count raised to 13, but it is not clear if the gunman is included in that toll.
The Press & Sun-Bulletin's official Twitter account provided the first tweets on the news.
pressconnects Gunshots fired at Amer. Civic Association downtown Binghamton. Possible hostage situation. 2 people injured. Call press with updates. pressconnects Call out for 8 ambulances at American Civic Association shooting.
Tweets in Binghamton and its suburbs painted a picture of the impact on local residents.
taliagirl (Binghamton, N.Y.) I live a two streets away from the shooting and I keep hearing ambulances go by. I pray that nobody will be killed from this hold off. eric_adler (Binghamton, N.Y.) At my desk. Apparently there's an active shooting situation in downtown #binghamton pcmofo (Johnson City, N.Y.) Wow Binghamton is going crazy. They are bringing a few people from the shooting to the hospital where I work. Lots of conflicting reports. smithryanp (Binghamton, N.Y.) great...there is a shooting down the street from my house. Some nut case went crazy. Just turn on MSNBC to see lovely Binghamton, NY sudsinhereyes (Binghamton, N.Y.) BU sent out alert saying "Avoid area of Main and Front St due to shooting. Campus and Downtown Center are secure."