5 of 5: Paramedics carry away wounded passengers from a commuter train after a collision in Buenos Aires, Argentina, Wednesday Feb. 22, 2012. A packed train slammed into the end of the line in Buenos Aires' busy Once station Wednesday, injuring over 300 morning commuters, Argentina's transportation secretary said. (AP Photo/Leonardo Zavattaro,Telam) (AP Photo/ Leonardo Zavattaro)

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