1: By far the most surprising development was its claim of responsibility for the twin suicide bomb blasts that killed over 130 in Houthi-Shia mosques in Sanaa , Yemen , on Friday and another attack in the north . 2: ISIS was only thought to have a fledgling presence in Yemen and had only claimed one previous attack , the assassination of a Yemeni security official north of Aden earlier this month . 3: ISIS was only thought to have a fledgling presence in Yemen , but claims responsibility for bombing there .
1: twin suicide bomb blasts 2: attack 3: bombing