Darren Sykes , 44 , lured sons Jack , 12 , and Paul , nine , to his home 's attic . Then he set fire downstairs and closed the loft hatch with all three inside . He then left them alone for several hours while he went on a business trip. 42-year-old mother says she believes Jack attempted to save his brother .
Darren Sykes , 44 , lured sons Jack , 12 , and Paul , nine , to his home 's attic . Then he set fire downstairs and closed the loft hatch with all three inside . Claire Throssell has revealed what sons told her before school that day . 42-year-old mother says she believes Jack attempted to save his brother .