The driver of the car also died in the accident. The sister of Pir Pagarah was in Saudi Arabia to perform Umra.
Pakistan Muslim League-Functional (PML-F) Leader Pir Sibghatullah Shah Rashdi, who is in London, has postponed his all activities and would soon return to Karachi.
President Asif Ali Zardari has expressed grief over the sad demise of younger sister of Pir Pagara.
In a message of condolence, the President prayed Allah Almighty to rest the departed soul in eternal peace and grant courage to the bereaved family to bear the irreparable loss with fortitude.