WRC News 4 At 6 December 20, 2011
impact and you can feel the rocking of the train as the explosion went off. >> you see this big old flame and then the train stops in the tunnel. >> all of a sudden we smelt smoke and lights went out. >> i started worrying. i was shaking. >> reporter: it happened around 9:45 this morning near the lenfant plaza station. and this, this is the troublemaker. its called a friction ring. it is part of the braking system and fell off a blue line train and hit the third rail and disabled two o...
Source: archive.org