article_snippet.sent: Syria and Iraq Iraq were by far the biggest destinations, with over 20,000 foreign fighters travelling to the region to fight for mainly IS but also the Al-Nusra Front.
article_snippet.sent: Syria and Iraq were by far the biggest destinations, with fighters mainly travelling to the region to fight for  IS but also
highlights_snippet.sent: Syria and Iraq were most popular regions - mainly for IS and Al-Nusra Front .
  