By Hilary Ribons
According to a live blog on boston.com, there were two explosions near the finish line of the Boston Marathon in Copley Square. Authorities say there are two confirmed dead and many injured.
Authorities also said cell phones were deactivated in the city to avoid accidental detonation of other bombs. For updates on the latest news, see @dailyfreepress. For reaction tweets and news from the event, click here for Storify or on the image below.