UPDATE, 10:28 p.m. Roads, T stop being re-opened.
Police surrounded the New England Center and Home for Veterans on Court Street and shut down surrounding streets, the State Street T stop and part of City Hall Plaza as they investigated a possible threat made by one person around 9:45 p.m. The person was quickly taken into custody, but the bomb squad was requested to check out his back pack.
Steven McVerry reports:
Major cop/SWAT action downtown near gov. center. Guns out, yelling at pedestrians to turn around and go several blocks.