. . "2015 Istanbul suicide bombing" . . . . . . . . . . . . . . . . . . . . . . "2015" . "January 2015 Istanbul suicide bombing" . "suicide bomber detonated" . . . . . "2015 Istanbul metro bombing" . "blew herself up" . "6 January 2015" . "2015 Istanbul suicide bombing" . . . . . . . . "a suicide bombing" . "attack" .