Exclusive 29 Pictures of Boston Marathon Blast

Boy aged EIGHT and 'woman in her twenties' among three dead in Boston Marathon bombings that have left another 144 injured with 17 critical: FBI and bomb squad surround apartment after following erratic driver as he sped past state police barracks. Boston Police Crime Scene Response unit arrived and two members of that unit took several brown paper bags, normally used to store evidence taken from the scene, into the building and left with them full afterwards.