A Pakistan court jailed Imran Khan for 10 years for leaking state secrets, the harshest sentence the popular former prime minister and cricket superstar has received and announced just days before a general election. The special court found Khan, 71, guilty of making public the contents of a secret cable sent by Pakistan's ambassador in Washington to the government in Islamabad, his Pakistan Tehreek-e-Insaf (PTI) party said. Former foreign minister Shah Mehmood Qureshi was also sentenced to 10 years in the same case. Khan had earlier been sentenced to three years in jail in a corruption case in August, which ruled him…