Dozens more are said to have been wounded in Thursday's blast, with at least 10 of them in a serious condition, hospital officials said.
The blast took place on the outskirts of the city.
Initial reports indicate that more than a dozen vehicles were destroyed in the powerful explosion, said Al Jazeera's Kamal Hyder, reporting from Islamabad.
Local TV footage showed at least half a dozen minibuses damaged or completely destroyed by the blast at the bus stand, which is located on the road that leads towards the garrison city of Kohat.
Officials said there were many passengers present at the terminal when the bomb went off. Read More