It's understood that Mugabe has said his intention for calling the emergency briefing is to reassure voters and observers that the process on Wednesday will be free and fair.
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An MDC insider has told enCA.com that this was a "desperate move by Mugabe" at last minute electioneering and that the MDC was not worried.
Polling stations are expected to open at 7am on Wednesday and close at 7pm.
Voters who queue before the 7pm cut of time, will still be allowed to cast their ballot.
Criticism has been voiced over the voter’s roll, which has been described as being published in a format that makes it hard for people to crosscheck information.
In response to violent uprising in the country's 2008 elections, riot police have allegedly been deployed at various hotspots.
The Zimbabwe Electoral Commission said ballots would be counted at polling stations and would be displayed outside each voting post.
The final results have been placed on a maximum five-day deadline, in which they must be released to the publicPost published in: News