Pictures of the duck boat accident

10 of 86: A student from Hungary places a flower in front of the display of photos of Szabolcs Prem, left, and Dora Schwendtner, at a memorial service them Saturday, July 10, 2010 in Philadelphia. The two students from Hungary died in a collision between a tourist boat and a barge on Wednesday, July 7, on the Delaware River in Philadelphia. ((AP Photo/Tom Mihalek))

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