A roadside bomb killed three paramilitary soldiers in South Waziristan Agency (NWA) on Monday.
The improvised explosive device went off as the officials were on patrol on a motorcycle in Toikhola village.
"Three FC (Frontier Constabulary) soldiers were martyred in a bomb blast during a patrol in South Waziristan," a senior security official said, adding that the bomb had been detonated remotely.
The attack came as Chief of Army Staff General Qamar Bajwa visited the district, the military said, confirming the soldiers had died.
The bodies were shifted to a hospital while heavy contingents of security forces reached the scene and started a search operation.
South Waziristan is one of the seven semi-autonomous tribal areas where the army has for more than a decade been battling militants linked to the Taliban and Al-Qaeda.
The army launched an operation in June 2014 in neighbouring North Waziristan to wipe out terrorist bases.
As a result security has improved. Attacks still take place, but fewer than previously.
Prime Minister (PM) Nawaz Sharif, Interior Minister Chaudhry Nisar and Khyber Pakhtunkhwa Governor Iqbal Zafar condemned the bombing.
Nawaz said, “We have achieved success in war against terrorism through the sacrifices of our valiant soldiers. Pakistan has broken the back of terrorists and we will soon eliminate the remaining terrorists and win the war against terrorists completely.”
http://dailytimes.com.pk/pakistan/13-Feb-17/bomb-kills-three-soldiers-in-nwa