LAHORE Punjab Chief Minister Muhammad Shahbaz Sharif has expressed deep sorrow over the tragic murder of MQM leader and MPA Raza Haider and his gunman at Karachi on Monday. In a condolence message, the Chief Minister prayed that may Allah Almighty rest the departed souls in eternal peace and grant courage and stren-gth to the members of the bereaved families to bear the irreparable loss with fortitude.