As I write this, we believe agunman is holding dozens hostage in Binghamton, NY. Details are trickling in. What we know so far:

The rampage began around 10:30 am et at the American Civil Association (an immigration center).

At least 4 people have been shot. Police have not yet confirmed is any victims have died.

The suspect blocked the back door with his car so people couldn't get out.

A nearby high school has been locked down & area residents have been told to stay inside.

The police are planning on holding a press conference this afternoon. Click onto for the latest info.