Video, Pictures of Explosions at Boston Marathon; Possible Terrorist Attack

Towards the end, bystanders are seen helping the first responders, including some military personnel.

someone caught the explosion damn twitter.com/Boston_to_a_T/…

— JFT96 (@theKanterman) April 15, 2013

Just heard that bombs went off at #boston marathon finish line pic.twitter.com/qQPgWnqvvO

— Chris Chanyasulkit (@chanyasulkit) April 15, 2013

Just a surreal experience. When the 2nd bomb went off I ran into the restaurant and told everyone to run. They looked at me like I was nuts

— Jared (@PhenomeNoles) April 15, 2013

https://twitter.com/rauhlswhore/status/323899647187894272