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.