Speaking to ITV News Central, Andy Turner says the family is gutted at what has happened and are extremely upset their last photographs taken with his mother have been lost, as they were on a laptop that was taken.
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Former Northampton Saints player Phil Dowson will return to the club as a coach next season.
Prime Minister Theresa May has spoken of the importance of the Stoke-on-Trent Central by-election as she visited ahead of Thursday's vote.
Police are appealing for witnesses following a series of disturbances at the Port Vale v Bristol Rovers football game on Saturday.