Punjab government on Sunday demanded Mian Muhammad Nawaz Sharif to call off the call to stage long march rally as suicide bombers have entered Lahore city who could launch suicide attack at any time unknown, sources said. Dr. Saeed Elahi, the MPA of PML-N told Geo News that during parlays with Punjab government, some police officials tendered the message of Punjab Home Secretary, as per which, government demanded Nawaz Sharif to call off PML-N rally of long march as they could be targeted by suicide bombers.