Liverpool's Duck Boat Tours have been suspended, while marine investigators look into why one of their boats sank.
31 people had to be rescued from the amphibious vehicle in the Albert Dock on Saturday. The Mayor of Liverpool says the 'duckmarines' shouldn't be allowed back in the water.
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A survivor of the Hillsborough disaster had described how two fans pulled him out of a pile of bodies after a crush barrier collapsed.
A Liverpool fan has spoken of the "anxiety, stress and panic" in the stands on the day of the disaster.
A Liverpool FC fan has told the Hillsborough inquests that police were pushing people back into the crowd as fans tried to escape the crush.