On Wednesday, the election commission announced that the ruling ZANU-PF had taken majority of the seats in parliament, winning 109 out of 210 seats with 41 going to the opposition MDC and 58 yet to be allocated.
Nelson Chamisa, leader of the Movement for Democratic Change (MDC), the official opposition, insists he won the election, despite recent poll results indicating otherwise.
Chamisa declared an early victory on Tuesday long before the counting had been completed - including in the rural regions that tend to overwhelmingly support the ruling party.
Police patrol outside the Zimbabwe Electoral Commission offices as angry opposition supporters gather, in Harare, Zimbabwe on August 1. "So I have yet to learn why they will be released last", he added, urging the electoral commission to release the results as fast as possible and for each individual polling station.
Channel 4 News have revealed that they were caught in the "perilous" crossfire during yesterday's protests in Zimbabwe.
A credible and peaceful vote was meant to end Zimbabwe's global isolation and draw in foreign investment to revive the shattered economy.
The general election follows the ousting of long time Zimbabwean leader, Robert Mugabe in November a year ago by the military.
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The regional Southern African Development Community bloc, in its preliminary report, said on Wednesday that the campaign and election had "proceeded in a peaceful and orderly manner and were largely in line" in Zimbabwean law. "We won the popular vote & will defend it", Mr. Chamisa said. "No amount of results manipulation will alter your WILL".
The UN and former colonial power the United Kingdom both expressed concern about the violence, in which three people were killed after troops opened fire.
The opposition has spoken of vote-rigging, saying results were not posted outside a fifth of the country's almost 11,000 polling stations.
Mnangagwa, a former deputy president who fell out with Mugabe and then took over from him, has said his showing in the presidential polls was "extremely positive" while urging people to wait for official results. And equally, we hold the party and its leadership responsible for any loss of life, injury or damage to property that arise from these acts of political violence which they have aided and abetted. We've more votes than ED [Emmerson Dambudzo]. You voted for total Change in this past election!
That omission gave room for the ZEC, which ZESN and the opposition have accused of bias, to manipulate the results in favour of Mnangagwa and the ruling ZANU-PF party, Biti said.
Parliamentary results show Zanu-PF heading for a big majority.
The electoral commission has warned that results of the presidential first round may not be known until Friday or even Saturday and would not be released until tallies were received from all 10,985 polling stations.
But the opposition says Zanu-PF rigged the election. One independent candidate and a member from a party linked to Mugabe also won one seat each.