Iranian President Mahmoud Ahmadinejad has called for change adding existing system has become outdated and the world needs change. He said his re-election was "real and free" and cannot be questioned. Ahmadinejad made the comments Sunday during a press conference his first since the government announced that he was re-elected to a second term in a landslide victory during Friday's vote. But his top opponent accused the government of voter fraud and many of his supporters have clashed with police in Tehran's streets. About a mile away from Ahmadinejad's press conference, young Iranians set trash bins, banks and tires on fire as riot police beat them back with batons. Ahmadinejad also accused foreign media of launching a "psychological war against" the country.