A TV appeal for help finding missing York University chef Claudia Lawrence last night led to a number of viewers calling in to the studio.
Crimewatch said it received eight calls and North Yorkshire Police received one call direct to the force.
Police are investigating these further.
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Former Police Inspector Harry White told the inquests that he was told that fans entering the terraces should "find their own level."
A former police inspector has told the inquests he realised fans entering through an exit gate would head towards already crowded pens.
The man is thought to have tied himself to the bottom of the vehicle as it travelled from Calais to Kent.