Mousavi, 77, and Karroubi, 81, were reformist candidates in the controversial election of 2009, which was won by hardliner Mahmoud Ahmadinejad. They claimed the vote was rigged, triggering months of mass protests, particularly in Tehran. Hundreds of thousands took to the streets in the biggest challenge to the system since the Islamic revolution of 1979. from World News Headlines, Latest International News, World Breaking News - Times of India http://bit.ly/2IBK6bz