ISLAMABAD , Pakistan ( CNN ) -- A suspected missile strike from a U.S . NEW : Teen riots when three bombs exploded outside music festival . Five killed after suspected U.S. missile strike fired from drone , official statement . Bomb attack to be fourth in Pakistan since early November . Mosque bombing leaves at least five people dead in northwest .
NEW : Teen riots when three bombs exploded outside music festival . Five killed after suspected U.S. missile strike fired from drone , official statement . Bomb attack to be fourth in Pakistan since early November . Mosque bombing leaves at least five people dead in northwest .