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UK police appealed for help Friday, Feb. 20, 2015, to find three teenage girls who are missing from their homes in London and are believed to be making their way to Syria.
The girls, two of them 15 and one 16, have not been seen since Tuesday, Feb. 17, 2015, when, police say, they took a flight to Istanbul. One has been named as Shamima Begum, 15, who may be traveling under the name of 17-year-old Aklima Begum, and a second as Kadiza Sultana, 16. The third girl is identified as Amira Abase, 15.
UK police appealed for help Friday, Feb. 20, 2015, to find three teenage girls who are missing from their homes in London and are believed to be making their way to Syria.
The girls, two of them 15 and one 16, have not been seen since Tuesday, Feb. 17, 2015, when, police say, they took a flight to Istanbul. One has been named as Shamima Begum, 15, who may be traveling under the name of 17-year-old Aklima Begum, and a second as Kadiza Sultana, 16. The third girl is identified as Amira Abase, 15.

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CNN's Hala Gorani speaks to the Metropolitan Police's Helen Ball about efforts to prevent young women and girls from leaving their home countries to join ISIS.