The 52-year-old Mugabe - wife of Robert Mugabe, the country's leader of more than three decades - allegedly confronted Gabriella Engels, 20, at a hotel where she had been "chilling" with her friends on Sunday evening.
Mugabe is due in Johannesburg court Tuesday afternoon but is "not under arrest because she cooperated and handed herself over", Minister of Police Fikile Mbalula said in a video posted on eNCA.
She immediately tried to open a case of assault at the Sandton police station.
South African media reports say diplomatic immunity will not apply in the case because Mrs Mugabe is not a part of Zimbabwe's government or a government official.
Appearing before a parliamentary committee earlier, South Africa's acting police chief Lesetja Mothiba said that Grace "must go to court".
[It's] claimed the country's first lady then attacked Ms Engel with an extension cord after finding her in a hotel with her sons, Robert Jnr, 25, and Chatunga 21.
Pictures on social media appeared to show Engels bleeding from her head after the alleged assault at the hotel in the upmarket business district of Sandton.
"When Grace entered I had no idea who she was".
Engels said that the two Mugabe boys, who are reportedly studying in the city and have a reputation for partying, ran away from the incident. "It doesn't apply just because she's the wife of a president‚" Monyela said.
The 20-year-old model informed the police of her assault, who advised her to first seek medical attention.
Zimbabwe's government has sent official correspondence to the International Relations Department, invoking diplomatic immunity for its First Lady.
"The suspect in this matter can not be named because she has not as yet appeared in court".
MDC-T Women Assembly National Chairperson Lynette Karenyi said Grace's behaviour is not reflective of Zimbabweans' conduct as a people adding "as a nation and women, we are baffled, shocked and annoyed by her actions".
The News24 website quoted Ms Engels' version of events in the hotel room.
"She flipped and just kept beating me with the plug".
Grace Mugabe is a leading candidate to succeed the aging, ailing president as both leader of the ruling party and head of state in Zimbabwe.
It really wouldn't have made sense for her to flee to Zimbabwe yet President Mugabe is travelling to South Africa.
The Movement for Democratic Change (MDC), Zimbabwean President #Robert Mugabe's main opposition, as well as other pro-democracy groups have slammed the incident.
As retailers continue to sort themselves into competitive clusters, the playbook for such integrations is becoming better known". Former General Mills executive Liz Nordlie will run Target's privately owned food and beverage brands.
The article in question labeled Heyer "fat and a drain on society" who "has no value" because she had yet to have children. The message reads: "We have taken this site in the name of Heather Heyer a victim of white supremacist terrorism".
Asked if he believed "Bannonbart" had an influence on President Trump's thinking, Scaramucci replied: "I would say no". Scaramucci has been a vocal critic of Bannon and offered a cryptic response when asked if Bannon should go.
There's a total solar eclipse in the continental United States on August 21st, for the first time in almost 40 years. Canadians will get to see what could be a once-in-a-lifetime event for many: a partial solar eclipse on Monday.
A video released later by the group warned of more attacks if journalists report unfairly on the group's activities. A female bomber reportedly detonated explosives strapped to her body, killing herself and 27 others.
Rubio, who called Cabello "the Pablo Escobar of Venezuela" for his suspected involved in drug trafficking. Rubio has played a major role in consulting President Donald Trump on US policy regarding Venezuela.
Asked to comment on the incident, Chinese foreign ministry spokesperson Hua Chunying said, "I am not aware of the information". She said the People's Liberation Army (PLA) troops always patrol along the Chinese side of the Line of Actual Control (LAC).
The civil rights investigation raises the prospect of other charges being filed in the coming days as the investigation continues. It's unclear if Fields expressed on his application whether he was interested in a specific course of study, Meade said.
Two buses carrying dozens of passengers had stopped for a tea break at a rest stop when the landslide struck. Around 250 meters of the stretch of the road has been entirely washed away by the landslide.
The Chinese announcement comes days after an increasingly aggressive rhetoric between Trump and North Korean leader Kim Jong-un. Trump complained in July that trade between the two nations had increased by almost 40 per cent in the first quarter.
Maria Sharapova earns wild card entry into US Open
In her first U.S. match since March 2015, Sharapova defeated American Jennifer Brady 6-1, 4-6, 6-0 at Stanford . The US Open is one of the prestigious tournament which has the prize money of USD3.7 Million.
#ElClassico: Ronaldo sees red as Real Madrid defeat Barcelona
However, the latter two will have to be on top of their game as they will under some sort of pressure to deliver in the Super Cup. For their second and third goals of the evening - following Gerard Pique's unfortunate own-goal, that was clear to see.
Amber Heard and Elon Musk speaks out about break up
Before any of those vehicles arrive, however, Tesla will be concentrating on getting 500,000 Model 3 saloons to eager customers. It's the world's biggest battery factory and central to Tesla's plans for mass production of its new Model 3 electric vehicle .