13 people are killed in a strike that misses its target , an official said . Angry relatives try to bring the victims ' bodies to the capital , Aden . The government is widely believed to be using force against Al Qaeda in Yemen .
13 people are killed in a strike that missed its target , an official says . Angry relatives try to bring the victims ' bodies to the capital , Sanaa . The U.S. is widely believed to be using drones against al Qaeda in Yemen .