Five soldiers wounded in the attack in Bannu district of Khyber Pakhtunkhwa province bordering Afghanistan.
Funerals held for the victims of Sunday’s suicide attack, which also wounded nearly 200 people.
The meeting is taking place following the Chinese and Afghan foreign ministers’ arrival in Islamabad.
Pakistan army says it killed three fighters in exchange of fire in North Waziristan district near Afghan border.
Taliban’s interim foreign minister gets UN clearance to travel for meeting with counterparts in Pakistan.
Pakistan is in danger of defaulting on its debt while a bruising political battle is raging between govt and ex-PM Khan.
The Torkham border is the main point of transit for travellers and goods between Pakistan and landlocked Afghanistan.
TTP has denied involvement in the Peshawar mosque blast, but officials say it has intensified attacks since November.
Most of those killed in the suicide bombing in Peshawar were police. More than 225 people were injured.
Hospital official says at least 88 killed, more than 170 others wounded in explosion in Peshawar, northwestern Pakistan.
Latest TTP statement explicitly names Prime Minister Shehbaz Sharif and foreign minister Bilawal Bhutto Zardari.
Slain officers were known for their work tracking down members of Pakistan’s Taliban and solving complex armed attacks.
Pakistan says no country will be allowed to shelter armed groups staging attacks against it as Kabul reject the charges.
Thirty-three TTP fighters were killed when special forces raided the facility where they were holding hostages.
