In this photo taken on Tuesday, July 15, 2014 rescuers work in a tunnel after a train derailed between two subway stations in Moscow, Russia. Investigators detained two Moscow subway workers Wednesday... more 
In this photo taken on Tuesday, July 15, 2014 rescuers work in a tunnel after a train derailed between two subway stations in Moscow, Russia. Investigators detained two Moscow subway workers Wednesday in the wake of the deadly rush-hour derailment that killed at least 22 people and injured 136 others. (AP Photo) less 
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Associated Press
Wed, Jul 16, 2014 3:05 PM EDT