LAHORE - Leaders of various political parties while expressing their profound grief and sorrow over the loss of precious human lives in a plane crash at Margalla Hills, Islam-abad demanded thorough investigation into the incident to avert any such episode in the future. PML-N Quaid Nawaz Sharif expressed his grief over the loss of precious human lives in the unfortunate incident and prayed that may Allah Almig-hty give courage to the bereaved families to bear this irreparable loss with equanimity. PML-Q (Like-Minded Group) leaders Humayun Akhtar Khan, Mian Asif, Khursheed Mehmood Kasuri and Nasir Jutt while expressing their grief and sorrow over the loss of lives in the tragedy demanded a speedy and thorough probe into the incident to avoid any such event in the future. PML-Q President Chaudhry Shujaat Hussain and senior central leader Ch Pervaiz Elahi while expressing their grief over the loss of valuable human lives in the tragic event demanded an immediate inquiry into the incident in order to make public the exact facts that had caused the plane crash. Leaders of Pakistan Democratic Front (PDF) including Nawabzada Mansoor Khan, Nawaz Gondal and Abdul Rauf Sasoli while conveying their condolences to the families of the victims who died in the plane crash tragedy demanded a swift probe into the incident. Expressing their grief and sorrow over the loss of precious human lives in the plane crash, leaders of JI including Jamaats Ameer Munawar Hasan, Qazi Hussain Ahmed and Liaquat Baloch demanded a prompt investigation into the incident. They also demanded that inquiry committee should consist of professionals and a judicial commission should also be formed in this regard. Umer Sarfraz Cheema, central information secretary PTI, while expressing his grief over the loss of lives in the tragic incident demanded a speedy and transparent probe into the incident. Dr Tahirul Qadri expressed his profound grief and sorrow over the loss of precious human lives in the plane crash. He prayed to Allah Almighty to rest the departed souls in eternal peace and give patience to the families to bear this loss with fortitude.