LAHORE- Leader of the PPP and former information minister QamarZaman Kaira today urged the Pakistan Tehreek-e-Insaf (PTI) to with draw its resignations, saying that it was premature to demand prime minister's resignation. Speaking to media persons, Kaira said that Imran Khan should not put thewhole system in test. "There is a need to resolve this impasse within the ambit of constitution," he opined. He also called upon the government to show some flexibility to end the deadlock. "The PPP believes in democracy. We have rendered huge sacrifices for thesake of democracy," he added.It should be noted here that Imran Khan has recommended the name of Kaira asa mediator for talks with the government.