Detective Superintendent Rob Vinson, Essex Police, speaks to Jonathan Wills and Emma Baker about the new leads they are now following after a BBC Crimewatch appeal for more information into a fire in Harlow, which killed six family members in October, 2012.
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The wintry weather is continuing across the Anglia region with sleet and snow in many areas. Here is a selection of pictures from viewers.
Cold with further wintry showers which may merge into longer periods of snow after midnight.
A man in his 70s has been badly burned in a flat fire in Norwich