Fl Confirmative News Today

>> what was that? >> all units be advised (indiscernible) fl >> confirmative. two devices just went off at boylston. all un use extreme caution. >> we just got word of not one but two explosions near the finish line of the boston marathon. we are getting reports on scene. jonathan hunt has just got one. >> dozens of people have been seriously injured as you look at the pictures. they are very concerning.