Rescuers work at the site where two trains collided in Szczekociny, southern Poland, Sunday, March 4, 2012. Polish prosecutors have opened an investigation into how a train ended up on the wrong ... more 
Rescuers work at the site where two trains collided in Szczekociny, southern Poland, Sunday, March 4, 2012. Polish prosecutors have opened an investigation into how a train ended up on the wrong tracks after two engines collided head on late Saturday, killing 15 people and leaving 54 in hospitals. (AP Photo/Michal Legierski) POLAND OUT less 
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Associated Press | Photo By Michal Legierski
Sun, Mar 4, 2012 3:54 AM EST