Boy tells court he does n't know why he took part in October 20a third burning . Jonathan Wilkinson , 18 , and another boy , a third , already admitted part in act . Wilkinson 's mother Sally Jones , 47 , revealed as jihadi bride in August 20a third . Jones took her youngest son to Syria last year but left Wilkinson behind . Schoolboy 's parents ordered to pay 14 of the cost of the damage .
Boy tells court he does n't know why he took part in October 2014 burning . Jonathan Wilkinson , 18 , and another boy , 14 , already admitted part in act . Wilkinson 's mother Sally Jones , 47 , revealed as jihadi bride in August 2014 . Jones took her youngest son to Syria last year but left Wilkinson behind . Schoolboy 's parents ordered to pay a third of the cost of the damage .