A blast left three people injured near the residence of a provincial minister on Friday۔
Police said the blast took place outside the house of Khyber Pakhtunkhwa Minister of Revenue and Estate Ali Amin Gandapur.
The minister belonging to the Pakistan Tehreek-e-Insaf was not present at his house at the time of the blast.
The Bomb Disposal Squad said four to five kilogram explosive material was planted in a bicycle.
The police said they have launched a search operation in the area.
Israrullah Gandapur, a brother of Amin Gandapur and also a minister in Khyber Pakhtunkhwa cabinet, was killed in an explosion along with nine others in 2013.
