Zimbabwe voter registration
Makarau defends Zim election results
Morgan Tsvangirai wants the Constitutional Court to declare Zimbabwean elections null and void.
The MDC leader told diplomats and journalists he would not be part of another unity government.
About two dozen police officers in two anti-riot trucks are stationed outside the MDC's Harare offices.
Morgan Tsvangirai's Movement for Democratic Change described the election as a 'monumental fraud'.
ANC hopes Zimbabwe elections for a new government will build a society free from fear and intimidation.
MDC claims to have proof the Zimbabwean authorities plan to slow down voting.