Boston Police Commissioner Ed Davis is Holding Press Conference Right Now: Avoid Crowds, Try and Stay Calm, Head Home, Call Hotline if You Saw Anything

 

The second bomb blast today at the Boston Marathon

 

Chaos in Boston this afternoon
 

By Nicholas Stix

Each bag left behind by fleeing witnesses is being treated as “a suspicious device.”

Gov. Deval Patrick: FBI is offering its full assistance.