The story

People who were aboard the Washington subway trains that wrecked Monday described scenes of severely injured victims and of passengers trying to help one another.

"I was just playing on my cell phone, [and] there was an abrupt bang," David Holland, who was on the train that struck the train in front of it, told CNN affiliate WJLA. "It threw us up and then forward.

"There was so much dust. I've never seen so much dust. People were just discombobulated, crying," he said. "I think I'm one of the lucky ones who actually made it out." Read full article »

CNN's Jim Kavanagh contributed to this report.

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