Workers look at a derailed train in Rio de Janeiro, Brazil, April 25, 2008. The commuter trains, operated by Supervia, collided during the morning rush hour. Three people were injured (Australfoto/Douglas Engle)

Workers look at a derailed train in Rio de Janeiro, Brazil, April 25, 2008. The commuter trains, operated by Supervia, collided during the morning rush hour. Three people were injured (Australfoto/Douglas Engle)