Two civilian cars parked in the bazaar were also destroyed in the blast, he further said.
Also on the same day Saturday, a suicide car bomb targeted NATO- led troops' convoy in Ismail Khil district of Khost province in east Afghanistan, a local official said.
The official who declined to be identified told Xinhua that a suicide bomber driving a car packed with explosive devices blew himself up near a NATO-led forces' military convoy at around 8 a.m. local time.
Meantime, a Taliban spokesman Zabihullah Mujahid in talks with media via telephone from unknown location claimed of responsibility, stressing huge casualties were inflicted to the multinational force.
In a related development in Khost's neighboring Paktia province, unknown armed men opened fire on Saturday leaving 13 people all civilians dead, spokesman for provincial administration Rohullah Samoon said.