Zimbabwe's electoral commission says the run-off between President Robert Mugabe and challenger Morgan Tsvangirai will not be held within two weeks as required by law. Mr. Tsvangirai announced Saturday that he would take part in the run-off, saying the vote should be held by May 24. He said international observers should be allowed to monitor the vote, and he also demanded the presence of regional peacekeepers.Zimbabwe's Justice Minister, Patrick Chinamasa rejected any conditions, saying the vote will be held within the framework of the country's electoral laws.