Schoolgirls are heard talking to Arabic interpreter about a Syrian passport . Footage 'taken by a foreign spy who helped them cross border into Syria ' 'Arrived at Istanbul Ataturk Airport before heading to southern city of Gaziantep ' Reportedly take taxi to meet spy who says they 'll be in Syria in an hour . Separate footage appears to show suspect taken into custody by police . They fled UK last month to become jihadi brides for ISIS fighters in Raqqa .
Schoolgirls are heard talking to Arabic interpreter about a Syrian passport . Footage 'taken by a foreign spy who helped them cross border into Syria ' 'Arrived at Istanbul Airport before heading to southern city of Gaziantep ' Reportedly take taxi to meet spy who says they 'll be in Syria in an hour . Separate footage appears to show suspect taken into custody by police . They fled UK last month to become jihadi brides for ISIS fighters in Raqqa .