Seyed Mahmood Hosseini election as one of the reformist candidates from Isfahan, but disqualified by the Council of Guardians. During the protests about the 2009 Iran presidential election, Seyed Mahmood Hosseini signed an open letter to the top Iranian Shia clerics prepared by Mohammad Khatami, Mir Hossein Mousavi, Mehdi Karoubi and some of the renowned reformist figures, by pointing out the arrests after the election, as being the reference and support of the great nation of Iran, to remind the government about the damaging outcomes of their unlawful acts. Hosseini was appointed to Isfahan province governor on August 6, 2002 and held the
2009 Iranian presidential election towards the incumbent president. This finding almost exactly matches up with the proportion of the vote that Ahmadinejad received. On 1 June, a campaign office of Ahmadinejad's primary opponent, Mir-Hossein Mousavi, was torched. The office was located in the city of Qom. No group claimed responsibility for the attack. At the same time, it was reported that an assassination had been attempted against former president Mohammad Khatami by means of a bomb placed on an aircraft he was to board. Mobile phone communications were interrupted in Tehran on election day and the BBC has stated that "heavy electronic jamming" was