Museveni joined other heads of state and governments at the inauguration ceremony at the Loftus Versfeld Rugby Stadium in Tshwane, Pretoria.
Foreign heads of state will be among 36,000 people expected to witness the ceremony at a rugby stadium in the capital Pretoria.
The ANC has won all the past five elections, but Wednesday's vote is set to be an electoral test on whether the party has staunched a decline in popularity....
After 25 years in power, widespread graft allegations have tainted the ruling party, which forced out former president Jacob Zuma last year.
Several suspects including the company's former chief operating officer appeared at the Specialised Commercial Crimes Court on Wednesday
President Cyril Ramaphosa, who took power in February, has pledged to revive the listless economy ahead of polls due in May by attracting $100 billion...
President Museveni and Mr. Mabuza discussed pertinent issues of mutual interest between Uganda and South Africa.
Land reform is set to be among the fiercest political battlegrounds at elections next year
"I have decided to accept his resignation," Ramaphosa told a televised press briefing in Cape Town.
"The Beijing summit "reflects the unique as well as the strategic nature of our partnership," says Ramaphosa.
Sign up to receive our free newsletter