An anti-government protester walks past tents of her follow protesters as they camp at the premises of the parliament house during the Revolution March in Islamabad September 2, 2014. Pakistan is preparing to launch a selective crackdown against anti-government protesters trying to bring down the government of Prime Minister Nawaz Sharif, the defense minister said, warning demonstrators against storming government buildings. REUTERS/Zohra Bensemra (PAKISTAN - Tags: POLITICS CIVIL UNREST TPX IMAGES OF THE DAY)