Daily Mail UK Cat Deeley fights back tears as mother recounts how her ex burned both of their sons alive after campaign of abuse - and reveals her eldest's final act of heroism before death
Claire Throssell lost her two sons Jack, 12 and Paul, nine, in October 2014 after her ex Darren Sykes, who she was with for 16 years, lured them into his attic and set the house on fire.