It is the latest in a spate of suspected drone attacks since Osama bin Laden 's death . The U.S. has been carrying out strikes against al Qaeda and other militant groups for years without any public acknowledgment or congressional approval. Two intelligence officials said the suspected drone fired two missiles at a vehicle carrying militants in the Mir Ali area of North Waziristan , one of the seven districts of Pakistan 's volatile tribal region bordering Afghanistan . North Waziristan is one of seven districts in Pakistan 's volatile tribal region .
It is the latest in a spate of suspected drone attacks since Osama bin Laden 's death . The U.S. has been carrying out strikes against al Qaeda and other militant groups for years without any public acknowledgment or congressional approval. North Waziristan is one of seven districts in Pakistan 's volatile tribal region .