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