In an unprecedented public attack, former president Akbar Hashemi Rafsanjani said tens of millions of Iranians had witnessed “mis-statements and fabrications” in the debate last week, when Ahmadinejad accused Rafsanjani of corruption.Ahmadinejad also said in the debate Rafsanjani was part of a political alliance supporting the main challenger, Mirhossein Mousavi, and seeking to prevent his re-election on Friday.