A presidential candidate needs more than 50% of the vote to win outright.
"Rocks were thrown into the compound of the ruling ZANU-PF party".
Mnangagwa was allegedly involved in violence and intimidation during the 2008 elections when then opposition leader Morgan Tsvangirai pulled out of the run-off after attacks claimed the lives of at least 200 of his supporters.
Soldiers on a street in Harare Wednesday.
On Thursday, soldiers were on guard outside the headquarters of the ruling ZANU-PF party, while armoured personnel carriers, water cannon trucks and police anti-riot vans drove through Harare sporadically pausing outside the MDC headquarters.
Automatic gunfire has also been heard and an army helicopter has been spotted in the skies. Several streets remained littered with the rubble and embers from Wednesday's clashes between protesters and soldiers. "Teargas also fired into the protesting crowds".
However, many analysts have said they expect a win for Mnangagwa, a Zanu-PF veteran who replaced long-time president Robert Mugabe after he was ousted in a military coup in 2017. We must all demonstrate patience and maturity, and act in a way that puts our people and their safety first. "Now is the time for responsibility and above all, peace".
Police fire tear gas to disperse stone-throwing opposition supporters.
Chamisa's MDC won in most urban centres, where it enjoys majority support.
The opposition alleges the elections have irregularities, saying voting results were not posted outside one-fifth of polling stations as required by law.
Mnangagwa said the violence was meant to disrupt the election and blamed the MDC leadership.
Woman in loveless marriage with 'patronising' husband denied divorce
Tini Owens , 68, filed for divorce from her husband Hugh Owens , 80, in May 2015 after moving out of their shared home. Another said Parliament had "decreed" that being in a "wretchedly unhappy marriage" was not a ground for divorce.
The BBC's Shingai Nyoka reports that the announcement on the presidential poll was not made because representatives of some of the 23 candidates had failed to turn up to verify the results.
Zimbabwe's much-criticised election authority declared that there had been no rigging of the country's election, after the opposition repeatedly alleged that the vote process was flawed.
This has been seen as a pivotal election for Zimbabwe, with citizens expressing hope for change after years of economic malaise and political oppression under Mugabe. "We had to consult among ourselves whether it would be safe", said one worker who declined to give his name.
On his official Twitter feed, Chamisa accused the ZEC of releasing the parliamentary results first to prepare Zimbabweans for a Mnangagwa victory.
The ZEC has not announced the official results.
Mr. Brok said that ballots for the presidential vote were counted first in polling stations.
MDC supporters have ripped down a Mnangagwa billboard.
State broadcaster ZBC reported that the electoral commission would announce the presidential results at 12:30 local time (10:30 GMT).
Protests are evolving as fires appear to have been deliberately started in Harare.
HARARE, Zimbabwe-The party of former President Robert Mugabe took the majority of seats in Zimbabwe's parliamentary elections, officials said, but European and USA observers expressed reservations about the vote and tensions on the streets of the capital mounted.