Intelligence officials say a roadside bomb hit an army convoy in a troubled area of northwest Pakistan, killing six soldiers.
The officials say the attack Sunday near Dosalli village in the North Waziristan tribal area also wounded 14 soldiers. One vehicle was completely destroyed.
The officials spoke on condition of anonymity because they were not authorized to talk to the media.
North Waziristan is the main sanctuary for al-Qaida and Taliban militants in Pakistan.