LAHORE:Pakistan Tehreek-e-Insaf (PTI) Punjab leadership has expressed deep grief over the death of grandmother of party worker Ishtiaq Malik. The grandmother of Ishtiaq Malik was laid to rest in her native village in District Chakwal. Senior party leaders, including Punjab governor, provincial ministers Mian Mehmood-ul-Rasheed, Dr Murad Raas and others expressed condolences over her death.