Mnangagwa has adopted a more diplomatic tone since taking over as leader in November, after the ousting of the authoritarian Robert Mugabe, his former boss.
President Emmerson Mnangagwa says 'there is no need' for unity government
Appointment seen as move to consolidate power against possibility of future anti-government intervention by military
Constantino Chiwenga takes oath as one of country's two vice presidents
Lieutenant General Phillip Valerio Sibanda says 'normalcy has returned to our country'
Mugabe's reign was built on support from three pillars -- ZANU-PF party, the military and the war veterans -- and their hardening stance against him in recent years was a bellwether of his downfall on Tuesday.
"For the record, the Vice President did not eat ice cream," Information Minister Chris Mushohwe said.
Over 60,000 people gather in Harare for historic swearing-in ceremony
President Mugabe has submitted resignation letter to parliament
In talks with the army chief on Thursday, Mugabe refused to resign, as sources suggested the veteran leader was "buying time" to negotiate his exit.
Meeting is currently underway in Botswana
A State Department official said the US embassy in Harare has been closed to the public as a safety precaution and a message has been sent urging American citizens to shelter at home.
Military says president, family safe, pledges to stand down after targeting criminals around president
A spokeswoman for the UN's public health agency, Fadela Chaib, told AFP that an announcement on the Mugabe fracas would be made "in the coming hours".
The world's oldest head of state rarely changes his Cabinet
South African president meets his Zimbabwean counterpart in capital Pretoria
Vice president Emerson Mnangagwa suddenly fell ill at rally held on August 12
Ruling-party supporters stage Harare protest over assault allegations against Grace Mugabe
The president had flown to South Africa on Wednesday to attend a two-day regional leaders' summit in Pretoria that began Saturday -- which police said she had been expected to attend.
Grace Mugabe fails to appear after reportedly turning self into police to face assault charges
"President Mugabe on Friday left the country for Singapore for a routine medical check-up," the Sunday Mail newspaper reported.