Oneworld Multimedia reports that the Iranian President, Mahmoud Ahmadinejad, has cut short an official two-day visit to Armenia for “unspecified reasons.” However, his unexpected return to Tehran comes as the BBC reports that over 180 Iranian MPs have signed a letter “praising” Ali Larijani, Iran's Chief Nuclear Negotiator, whose resignation was accepted on Sunday. Other sources report that the trip was cut short due to talks on Iran's nuclear programme in Rome.