Two 17-year-old boys from north-west London detained in Istanbul . Their parents phoned 999 in Britain after realising they were missing . Authorities quickly made contact with Turkish counterparts to block them . The boys were arrested at Turkey airport along with a 19-year-old man .
Two 17-year-old boys from north-west London detained in Turkey . Their parents phoned 999 in Britain after realising they were missing . Authorities quickly made contact with Turkish counterparts to block them . The boys were arrested at Istanbul airport along with a 19-year-old man .