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.
More top news
The Doncaster boxer was shot at a pub in Balby last week - and later died in hospital.
UK weather forecast: Hill snow and icy roads leads to a weather warning for our region
Twin boys who suffer from epilepsy have been denied a cannabis drug which could help their condition by the NHS