article_snippet: The three British teenagers who were stopped in Turkey were allegedly on The three British teenagers who were stopped in Turkey way to Syria to join ISIS.
article_snippet: Istanbul has become a well-known stop off point for British jihadis wanting to flee to join terrorist in Syria . '
article_snippet: Sources in Turkey said there is some evidence the three communicated with terrorists about how best to evade the authorities but none of the authorities are believed to be connected to any high-profile ISIS terrorists.
article_snippet: the Met Police are believed to have been travelling to join ISIS (file picture)
article_snippet: More than 600 Britons have fled Britain for Syria and Iraq since the appalling explosion of violence in the region began.
article_snippet: More than 600 Britons include 22 women and girls who have travelled in the past 12 months, many of whom wanted to become 'jihadi brides'.
article_snippet: ISIS controls huge areas of the two countries and has attracted thousands of foreign fighters to ISIS cause.
article_snippet: Turkey has faced criticism for not controlling Turkey border with Syria, but has accused European states of failing to prevent would-be jihadists from leaving in the first place.
highlights_snippet: Teenager held in Turkey while trying to flee to ISIS had 'extremist views'
  17-year-old was stopped with cousin, 17, and 19-year-old man on Saturday .
  