"He is at state house in Bulawayo", saidMnangagwa's spokesman George Charamba.
It will be a key test for Mnangagwa, who succeeded long-serving autocrat Mugabe seven months ago, and remains untested at the ballot box.
The president has joked about the attempts on his life while on the campaign trail.
The speech had been broadcast on television, but the broadcast was immediately ended after the blast.
The president was in Bulawayo to campaign ahead of nationwide elections due on 30 July. It added that several people were said to have been injured but that the extent of the injuries had not yet been established.
Mr Mnangagwa took power in November after his former ally Mr Mugabe stepped down under military pressure.
In a tweet, Mnangagwa called on the country to remain unified despite all political differences after "this senseless act of violence".
Zimbabwe's main opposition leader, Nelson Chamisa, said: 'Our prayers go out to the injured and we hope no lives have been lost.
The broadcaster, ZBC, later reported that Vice-President Kembo Mohadi was injured in the leg and taken to a local hospital.
Zimbabwe's First Vice-President, Constantino Chiwenga, and his wife, suffered minor injuries, Reuters news agency reports.
Mnangagwa reportedly survived an attempt on his life past year when he ate poisoned food at a rally at Phelandaba Stadium in Gwanda, a small town about 550km southwest of the capital.
You have most likely been able to avoid paying sales tax on a lot of online purchases over the years, but that's coming to an end. However, Alaska and Montana allow individual individual cities to collect local sales taxes, according to the Tax Foundation .
He was runner-up behind Big River in the Edinburgh Gin Handicap Hurdle at Kelso and he then placed third at Newbury in March. Those having a bet on the Grand National will find him available at 16/1 with Paddy Power in the ante-post list.
The Rise of Mobile Payments Over the last few years, all of the major mobile innovators have stepped into the mobile payment game. As of 2016, Apple Pay had 12 million monthly users , a figure which is sure to rise substantially in the coming months and years.
On Friday, the candidate for NY governor, 52, shared on Instagram that her oldest child, Samuel-known as Seph-is transgender. As a member of the LGBTQ+ community, Nixon identifies as a lesbian and is now married to activist Christine Marinoni .
The Date Day: How To Behave When you meet your date offline for the first time, there are many things that can go wrong. That is a very responsible step that will either empower or destroy the already formed relationships.
But even so, there’s no denying that he has impressive skills and he managed to lead all his football teams to big titles. Now at PSG, there are a lot of rumors that he might come back in Spain to play for life-time rivals of Barcelona, Real Madrid.
This means that the cruiser motorcycles will not get any more expensive due to import duty hikes, at least in the near future. Trump is threatening to impose a tariff double that size if the European Union doesn't remove its barriers.
However, Gustav Klimt bounced back with a fine performance at the Barronstown Stud Irish European Breeders Fund in June last year. Gustav Klimt moved to the inside down the final furlong and found just enough speed to beat out his compatriot Nebo by a head .
It’s worth familiarising yourself with these categories, as it makes it easier to predict how any given racket will respond. By being less taught and more elastic, you can benefit from a better feel for the ball, and as a result, more power over it.
According to Sky News , her father said he was "thrilled" for his daughter as she prepared to marry her former co-star. The actors met in 2012 while filming the long-running saga in Iceland , where they were playing Jon Snow and Ygritte.
The company is showing signs of making a comeback, as competitors are forced to merge and consolidate in order to survive. The industry can be broken down further between mobile gambling and desktop gambling (which includes laptops and PCs).
Lewis Hamilton - It's great to be back
Red Bull's Max Verstappen qualified fourth with Australian team mate Daniel Ricciardo fifth and Ferrari's Kimi Raikkonen sixth. As for the Paul Ricard circuit, he admitted that he has "absolutely no idea" what to expect of the returning Formula 1 venue.
HGTV's Joanna & Chip Gaines welcome 5th child
Chip said Joanna is "doing great", and their newborn has "10 handsome toes and 10 lovely fingers". Joanna Gaines has proudly shared with the world the very first images of her newborn baby boy.
Tesla Whistleblower Claims Elon Musk Is 'Waging War' on Him
Musk called on workers to "be extremely vigilant" and said, "There are a long list of organizations that want Tesla to die". Eish , Elon Musk is really going in hard on the poor bugger, who had to seek official protection as a whistleblower.
Brazil, Swiss fans party after magnificent wins
Danilo had already missed the match against Costa Rica because of a right hip problem sustained in training before the World Cup . Carles, from Sao Paolo, told RT Sport: "I think the old one is not good, but he has a new one for today".
OPEC to boost oil production by 1 million barrels per day
OPEC's official statement said members agreed to return to 100 percent compliance with the 2016 deal beginning on July 1. Ministers from the Organization of Petroleum Exporting Countries are meeting in Vienna for a regular meeting.
Kit Harington, Rose Leslie Get Married in Scotland
The couple, both aged 31, who played on-screen lovers in the epic TV drama, are celebrating at Wardhill Castle. Kit , who plays Jon Snow on Game Of Thrones , is marrying his co-star Rose Leslie in Scotland today (23 June).
Mexico hold off South Korea to pile pressure on Germany
Mexico will clinch their place in the next round if Germany fail to beat Sweden in the other Group F game later on Saturday. Coach Juan Carlos Osorio insisted that his team would not be complacent, however, underlining South Korea's tactical nous.
Blast kills several at rally for new Ethiopian leader
Another witness told Reuters the assailant with the grenade had been wrestled to the ground by police before it exploded. The explosion sent panicked crowds towards the stage as the prime minister left hurriedly, apparently safe and sound.
General Overview of Cisco CCNA R&S Questions and Answers
In addition to this, they will also build their skills and knowledge levels required to implement WLAN in a small/medium network. At the end of the course, they will also be able to resolve regular issues with EIGRP, STP, and OSPF in IPv4 and IPv6 networks.