Tragedia en un tren de Buenos Aires
Rescue workers extract passengers from a commuter train that crashed into the Once train station at rush hour in Buenos Aires February 22, 2012. Transport Secretary Juan Pablo Schiavi confirmed that 340 people were injured and that passengers were still trapped inside after the train's brakes failed. REUTERS/Enrique Marcarian (ARGENTINA - Tags: DISASTER TRANSPORT)
Commuters lie on stretchers after sustaining injuries when their train crashed into the Once station at rush hour in Buenos Aires February 22, 2012. Transport Secretary Juan Pablo Schiavi confirmed that 340 people were injured and that passengers were still trapped inside when the train's brakes failed. REUTERS/Enrique Marcarian (ARGENTINA - Tags: DISASTER TRANSPORT)