Activists claim ruling party forced Zimbabweans to pay 'donations' for the birthday party despite crisis.
Sanctions imposed on Harare in 2001 over allegations of electoral fraud and human rights abuses.
Mugabe says that the American billionaire should be given a chance to prove himself.
Grace Mugabe positioning herself as potential successor to President, who she says may die in 2018.
Mawarire returned to Zimbabwe despite threats on his life and clear indications he would be arrested.
IBTimes UK talks to foreign correspondent Martin Fletcher.
Activist Linda Masarira fears Zimbabwe protest leader Pastor Ewan Mawarire will face 'subverted' court
Mawarire to appear in court today over "insulting" flag, inciting violence and subverting government charges.
Zimbabwe: Morgan Tsvangirai slams #ThisFlag's Pastor Evan Mawarire arrest after his return from exile
Protest movement leader Mawarire charged with 'subverting constitutional government' upon return from exile.
EFF leader Julius Malema told 92-year-old Zimbabwean president: 'Grandpa, it's enough now, let go!'
Details of a $1.35m diamond ring and $500k luxury Dubai villa have emerged.
Critics accuse China of turning a blind eye to rampant rights abuses in the central African nation.
Pastor Patrick Mugadza claims 92-year-old Mugabe will die later this year in Youtube clip.
Dubbed the 'Mugabe-Must-Go' pastor, Patrick Mugadza claims Mugabe will die on 17 October 2017.
Zimbabwe's so-called 'war veterans' seized Ben Freeth's farm in 2009 and burned it to the ground.
Discussing the veteran president's age is outlawed in the ex-British colony.
China says it will not interfere with the internal affairs of its "true and dear friend".
Fears that the death of Robert Mugabe will unleash a wave of blood-letting
Comments come amid tense fight over who will succeed Mugabe within his ruling Zanu-PF party.
Mama Janeth hospital images causes stir in region, where leaders often seek treatment overseas.
EXCLUSIVE: IBTimes UK meets David Coltart, Zimbabwe's former Education Minister
Zanu-PF welcomes Donald Trump's presidential victory and hopes for improvement in relations.
Social media users trigger sarcastic discussion on presidential election if the US was an African country.
IBTimes UK met protesters denouncing police brutality and 'corruption' in poverty-stricken nation.
Zimbabwe is distributing its 'bond notes' to help fight against cash shortages and food prices hikes.
IBTimes UK speaks to scholar Blessing-Miles Tendi about President Mugabe's chances in 2018 elections
Legislators are urging President Robert Mugabe to declare the spread 'a national health crisis'.
Zimbabwe gets $91.2m for clearing its IMF debt, but 'meaningful' economic reforms still needed.
Environment minister Muchinguri-Kashiri claims 'reckless' policies could lead to deadly illness outbreaks.
MDC MP says nation 'sick and tired' of presidential succession battles in ruling Zanu-PF party.
In June, Zimbabwe banned the import of goods including pizza base, baby formulae and shoe polish.