Thirty years after the Islamic revolution, Ayatollah Khamenei is looking to remove rival old-guard leaders – including Mir Hossein Mousavi.
Street clashes between security forces and supporters of challenger Mousavi picked up after dark on Sunday after President Ahmadinejad addressed thousands of his supporters in Tehran.
Voters flocked to the polls to weigh in on the country's faltering economy and aggressive foreign policy.
Tens of thousands have rallied in favor of Ahmadinejad challenger Mousavi ahead of June 12 election.
President Mahmoud Ahmadinejad faced off against one of his three opponents, Mir Hossein Mousavi, Wednesday night in the second of six debates leading up to June 12 elections.
In the past week, mixed progress as a US journalist is charged with spying amidst positive statements from both countries.
Known for a wide range of roles in 23 films, she is directing her first short film, 'A Beautiful Snowy Day.'
The ex-president faces an uphill battle in June's presidential elections and must shed his 'weak' image, supporters say.