Pakistani opposition leader and head of the Pakistan Tehreek-i-Insaf (PTI) party Imran Khan speaks at a rally in Islamabad on July 30, 2017.

Around 20,000 supporters of Pakistan's main opposition leader Imran Khan crowded into an arena on July 30 evening for a rally -- dubbed the 'Thanksgiving Rally' -- to celebrate after the Supreme Court disqualified Nawaz Sharif following an investigation into corruption allegations against his family. / AFP PHOTO / AAMIR QURESHI        (Photo credit should read AAMIR QURESHI/AFP/Getty Images)