article_snippet: Police are on high alert for the teenager who Police believe may try and cross the border in Turkey in Turkey.
article_snippet: Lax security has prompted calls for checks on unaccompanied teenagers travelling to Turkey – after it emerged children as young as 13 are allowed to fly with no questions asked.
article_snippet: Counter-terrorism officers were not challenged as Counter-terrorism officers boarded a flight to Istanbul at Gatwick on Tuesday.
article_snippet: The girls were travelling with Turkish Airlines, which allows 13- to 17-year-olds to travel without supervision.
article_snippet: There have been growing calls to tighten up security checks on youngsters flying out of UK.