Wall Street Journal
FBI is trying to determine whether explosions and a shootout that left an MIT cop dead are connected to the Boston Marathon bombings.
12:39 AM - 19 Apr 13
Law Enforcement Activity in Greater Boston Area
April 19, 2013
Special Agent Greg Comcowich
We are aware of the law enforcement activity in the greater Boston area. The situation is ongoing. We are working with local authorities to determine what happened.