Grandfather refuses to blame son-in-law for murders

The grandfather of three young children murdered by their father has penned a heartbreaking open letter revealing that he does not blame his son-in-law for the tragedy.

Ceri Fuller, 35, is believed to have stabbed son Sam, 12, and daughters Becka, eight, and Charlie, seven, to death in a secluded beauty spot before falling to his death in a quarry.