Two national security officials from Yemen call to confirm the deadly drone strike . Initial reports indicated the vehicles carried al Qaeda militants , they say . Yemeni security official : ` ` This was a tragic mistake and comes at a very critical time '' `` All those who were killed were supportive of the governments anti-terror campaign . Outraged residents in the region call on Yemeni leaders to put an end of drone strikes .
Two national security officials from Yemen call to confirm the deadly drone strike . Initial reports indicated the vehicles carried al Qaeda militants , they say . Yemeni security official : ` ` This was a tragic mistake and comes at a very critical time '' Outraged residents in the region call on Yemeni leaders to put an end of drone strikes .