Graphic video: First moments after Boston Marathon blasts

WARNING: Graphic footage! A camera shot first moments after deadly explosions in Boson, Massachusetts. At least three people, including an eight-year-old, have been killed and more than a hundred injured after two explosions hit the finish line of the Boston Marathon. RT LIVE http://rt.com/on-air Subscribe to RT! http://www.youtube.com/subscription_center?add_user=RussiaToday Like us on Facebook http://www.facebook.com/RTnews Follow us on Twitter http://twitter.com/RT_com Follow us on Google+ http://plus.google.com/+RT RT (Russia Today) is a global news network broadcasting from Moscow and Washington studios. RT is the first news channel to break the 500 million YouTube views benchmark.