NEW : al Qaeda strikes targeted a truck carrying One suspected militants , officials say . NEW : 11 of the strikes inadvertently hit a civilian pickup truck , a witness says . Most of those killed were Drone militants , Yousuf Basil officials say .
NEW : Drone strikes targeted a truck carrying 11 suspected militants , officials say . NEW : One of the strikes inadvertently hit a civilian pickup truck , a witness says . Most of those killed were al Qaeda militants , Yemeni officials say .