article_snippet: Shamima Begum, 15, Kadiza Sultana, 16, and 15-year-old Amira Abase went missing two weeks ago after boarding a flight from Gatwick to Istanbul.
article_snippet: 15-year-old Amira Abase school who went missing in December and is believed to have joined IS.
article_snippet: The 15-year-old student, the first to disappear from Bethnal Green Academy in east London, has not been identified by the authorities.
article_snippet: Amira Abase, 15, is among the trio believed to have flown from Gatwick to Istanbul .
highlights_snippet: Shamima Begum, 15, Kadiza Sultana, 16, and Amira Abase, 15, fled to Syria .
  
highlights_snippet: Went missing two weeks ago after boarding flight from Gatwick to Istanbul .
  