Iranian reformist MPs listen to the speech of their colleague Mohsen Mirdamadi (unseen), a former participant in the 1979 storming of the US embassy in Tehran by radical students who held 52 Americans hostage for 444 days, during a sit-in at the parliament 13 January 2004 in Tehran. Iranian reformists raised the stakes in a bitter stand-off with powerful conservatives, as top government officials threatened to quit unless their rivals backed down on a move to bar reformers from next month's elections. AFP PHOTO/Henghameh FAHIMI COPYRIGHT SCANPIX SWEDEN Code: 444