Crash: Duck Boat Accident?
A six-wheeled 'duck boat' suffered a mechanical problem and a small fire after it was driven into the river off Philadelphia.
It was hit at around 7.40pm by a barge used to transport sludge and then sank minutes later.
What happened to all the people who was on the duck boat when the accident happened?
Were all rescued? What caused the crash between the duck boat and the barge?