Katherine Hooper and her sons Joshua, five, and two-year-old Samuel
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Inquiry begins into deaths of mother and sons in Devon

13 July 2013 Last updated at 23:36 BST

Police investigating the deaths of a mother and her two sons in Devon say the family were known to social services.

The bodies of Katherine Hooper and her five-year-old son Joshua were found on Friday at the bottom of a cliff in Dartmoor.

Her son Samuel, two, was found dead at home. Officers confirmed they are not looking for anyone else in connection with the deaths.

Sarah Ransome reports.