Imran Khan, chairman of the Pakistan Tehrik e Insaf (PTI) party, addresses party volunteers and supporters during a rally for volunteers in Lahore, Pakistan. Parliamentary elections are due to be held on May 11. Imran Khan and Nawaz Sharif of the Pakistan Muslim League-N (PMLN) have been campaigning hard in the last weeks before polling. By Daniel Berehulak/Getty Images. Previous Dish on Khan here.