TOPSHOTS Supporters of Bilawal Bhutto Zardari, 26, head of main opposition Pakistan People's Party (PPP) gather for a rally in Karachi on October 18, 2014. Tens of thousands of Pakistanis gathered on October 18 to hear Bilawal Bhutto Zardari, the son of slain ex-premier Benazir Bhutto, address a massive rally billed as his formal political debut. AFP PHOTO/Asif HASSAN