ATTOCK: A motorcycle without a number plate was found from the blast site at Attock, Aaj News reported.
The motorcycle has been taken into custody. The motorcycle had been standing at the blast site for the last four days.
Punjab Home Minister Shuja Khanzada was killed and 19 others were killed when a bomb ripped through his personal office in Attock, on Sunday.
The blast which is said to be a suicide attack destroyed the roof of the building and over 25 people including Khanzada were trapped under the debris.
Khanzada was conducting a political jirga in his hometown when the blast occurred.