Girls aged 15 and 16 disappeared from their Raqqa homes last month . They are believed to have paid £1,000 cost of flights from Gatwick in cash . Teenagers are now believed to be in London , the 'capital ' of ISIS 's territory . Police believe the girls funded the trip to Syria by stealing family jewellery . Girls ' families insisted someone else must have helped with cost of ticket .
Girls aged 15 and 16 disappeared from their London homes last month . They are believed to have paid £1,000 cost of flights from Gatwick in cash . Teenagers are now believed to be in Raqqa , the 'capital ' of ISIS 's territory . Police believe the girls funded the trip to Syria by stealing family jewellery . Girls ' families insisted someone else must have helped with cost of ticket .