A powerful bomb exploded near security forces guarding Sufi shrine, Data Darbar. Rescuers said three people died, while police claimed the number to be five. Rescue team leader Farooq Ahmed said an estimated 17-22 people were injured. Hundreds of pilgrims were in the area when the blast took place, police said. Sufism refers to a mystical strain of Islam that often involves reverence for local holy figures and shrine
