ISLAMABAD, FEB 21: In the first phase of the Pakistan Tehreek-e-Insaf’s (PTI) “Jail Bharo Tehreek (court arrest movement)”, the party’s senior leaders — Shah Mahmood Qureshi and Asad Umar — would voluntarily surrender themselves to the authorities, announced Fawad Chaudhry. Addressing a press conference in Lahore, the PTI’s senior vice president said that PTI Vice Chairman Qureshi and PTI Secretary General Umar have announced voluntary surrendering before the police.