Zimbabwe's ruling ZANU-PF party won the most seats in parliament, official results showed on August 1, 2018, but European Union observers criticised the Zimbabwe elections for being held on an "un-level playing field".
Zimbabwe's ruling ZANU-PF party has won a majority in parliament, according to partial results released Wednesday. Another 58 seats are yet to be declared.
He said he did not understand why the election commission was taking so long to release results and that it would lose credibility with further delays.
Supporters of the Movement for Democratic Change, Zimbabwe's primary opposition party, protest against alleged fraud by the election authority and ruling party Wednesday in Harare.
Opposition supporters have been engaged in running battles with police, with officers using water cannons in an attempt to disperse protestors.
"The results are biased, trying to give the impression that ZANU has won", said Lawrence Maguranyi, 21, an MDC supporter and university student.
"We are nowhere near where we expected to be, so I can quite see us going into the fifth day which is allowed by law - but we are working flat-out", commission chairwoman Priscilla Chigumba told journalists in the capital.
"You can't rig our election...this is a military government", the crowd shouted.
Defeat for the ruling party would likely lead "to a denunciation of the election by the Mnangagwa administration and the potential for the military to intervene to secure power for ZANU-PF", the London-based BMI risk consultancy said.
"I will stay here until Chamisa is president", said Amandishe Muzhinji, who traveled back from Swaziland where he works as a migrant laborer to vote in Monday's election.
The rival claims pointed to a contested result, raising the prospect of competing fraud allegations and a possible run-off vote in September - required if no candidate wins at least 50 percent of ballots in the first round.
Harare was tense as people waited to find out the victor of the presidential election, and about 150 opposition supporters gathered outside the hotel where results are being released.
However, both Mr Chamisa and sitting President Mnangagwa have made premature claims of victory today.
"We have received a confidential report that (Vice President and retired Army) General Chiwenga has ordered the assassination of Nelson Chamisa and myself".
Zimbabweans were desperately hoping the peaceful election held on Monday would lift them out of economic and political stagnation after decades of Robert Mugabe's rule.
"There is no way that ZANU-PF will accept an MDC victory".
Scores of his supporters who had been burning tyres in the streets then attacked riot police near the Zimbabwe Election Commision (ZEC) headquarters.