The death toll in the suicide blast outside Data Darbar has reached 10 while wounded are 26.
The attack was claimed by the Taliban. The blast occurred near the entrance gate for female visitors to the shrine.
Three police officials, two security guards were also killed.
A senior police official Muhammad Ashfaq told a press conference the incident was a suicide attack and Elite Force and the security personnel was the target of the suicide bomber.
According to reports, the attacker was a 15-year-old boy.
He came out of a fruit shop, crossed over to the police van, and then detonated the bomb.
The impact of the blast shattered the windows in nearby vehicles and buildings.
The injured were taken to the emergency at the Mayo Hospital.