A supporter (C) of the chairman of the Pakistan Tehreek-e-Insaf (PTI) political party Imran Khan, wearing shirt with the imprint of him, chants during what has been dubbed a "freedom march" in Islamabad August 26, 2014. Protesters led by cricketer-turned-politician Imran Khan and firebrand cleric Tahir ul-Qadri have vowed to occupy the capital, Islamabad, until Sharif resigns - a demand the premier has firmly rejected. REUTERS/Akhtar Soomro (PAKISTAN - Tags: POLITICS CIVIL UNREST)