Kadiza Sultana, 16, and 15-year-olds Shamima Begum and Amira Abase, crossed into Syria after boarding a flight from London to Istanbul on February 17.
Kadiza Sultana, 16, na Shamima Begum mwenye umri wa miaka 15 na Amira Abase, walivuka hadi Syria baada ya kupanda ndege kutoka London kwenda Istanbul mnamo Februari 17.