The family of a woman who was murdered in West Sussex had led to eight new leads in the investigation.
Valerie Graves was killed in a Bosham house she was house-sitting whilst the owner was away.
The 55-year-old's family spoke to Crimewatch to help with the programme's appeal to catch her killer.
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"Calls and emails are coming in all the time" from players who say they had been forced to sign non-disclosure agreements, it is claimed.
Transport Secretary Chris Grayling believes Network Rail should share the responsibility with private train operating companies.
Commuters are facing a miserable journey this morning as a three-day strike begins in protest over driver only trains.