The comments came in his first high profile speech since his US presidency ended.

Obama delivers veiled rebuke to Trump in speech - 'Politics of fear, resentment'

The former US President's comments came in a speech marking the centenary of Nelson Mandela's birth.

Locals in Egypt’s capital say they saw a ball of fire emanating from a nearby chemical factory.

Exploding fuel tanks light up night sky near Cairo Airport

Locals in Egypt’s capital say they saw a ball of fire emanating from a nearby chemical factory.

At least two rhino poachers eaten by lions at South African game reserve

A ranger found human remains near a pride of lions this week.

For Mike Allsop it's about giving his kids the courage to dream.

Kiwi dad takes teen son to scale Kilamanjaro in extreme twist on quality time with kids

Mike Allsop says parents should spend one-on-one time with their kids but don't have to go to extremes.

South African woman found alive in morgue after being pronounced dead

Paramedics declared her deceased at the scene of a road accident.

NEW YORK, NY - OCTOBER 26:  Ashley Judd accepts the WMC Speaking Truth To Power Award onstage at the Women's Media Center 2017 Women's Media Awards at Capitale on October 26, 2017 in New York City.  (Photo by Mike Coppola/Getty Images for Women's Media Center)

In South Sudan, actress Ashley Judd brings spirit of #MeToo

Sixty-five percent of females in South Sudan experience physical or sexual abuse in their lifetime.

Dozens more were injured in the blaze in the capital, Nairobi.

Fifteen people dead after fire tears through Kenya marketplace

Dozens more were injured in the blaze in the capital, Nairobi.

President Emmerson Mnangagwa says the blast was an attempt on his life. It injured 41 people.

Explosion at Zimbabwe campaign rally will not delay election, officials say

State media have called yesterday's blast in Bulawayo, an opposition stronghold, an assassination attempt.

Crocodile file generic

Crocodile kills pastor during mass baptism in Ethiopia

Police used fishing nets to stop the crocodile dragging the pastor's body away.

Most watched: Asteroid, caught on video, slams into rural South African farm at 50 times the speed of sound

A night-time CCTV camera set up on a farm caught the flaming object crashing to the ground.

Dr Marc Lanteigne of Massey University says while Ebola itself is serious, the threat to New Zealand is minimal.

Is Ebola a threat to NZ? Expert discusses the chance of an outbreak here

Outbreaks have been taking place for decades in Africa and recent cases in the Congo are causing concern.

The broken bank of the Patel Dam near Solai in Kenya's Rift Valley.

Dam bursts in Kenya leaving 44 dead and 40 missing

Seasonal rains have killed more than 170 people in Kenya since March.

Zimbabwean woman who lost arm in crocodile attack marries just five days later

Zanele Ndlovu said she thought she was going to die, but then decided to keep fighting.

Graphic warning: The terrifying moment lion mauls owner of South African safari park

Remarkably the man survived with injuries to his neck and jaw. The lion was not so lucky.

Uganda's president wants to ban oral sex - 'The mouth is for eating'

President Yoweri Museveni, who has already made homosexuality illegal, has issued a warning about oral sex.

World's last male northern white rhino, Sudan, dies

His death won't have an impact on the efforts to save the subspecies, as the focus turns to in vitro fertilisation techniques.

Watch: ‘We must undo this disgrace’ – former Zimbabwean leader Robert Mugabe challenges President Mnangagwa’s rise to power

Mr Mugabe was confined to house arrest following a military coup late last year which saw him replaced by Emmerson Mnangagwa.

Seven Sharp’s Gill Higgins caught up with Laura Morrison before she embarks on the epic journey.

Woman driving from Scotland to South Africa to raise money for cancer research

Seven Sharp’s Gill Higgins caught up with Laura Morrison before she embarks on the epic journey.

Head of United Nations Mission in South Sudan David Shearer.

Hundreds of child soldiers freed in South Sudan under UN programme led by former Labour leader David Shearer

Mr Shearer, who is the head of UN Mission in South Sudan, said many endured sexual abuse.

Video: Aftermath of collision between train and truck in South Africa which killed 18 people

At least 260 others were injured in the accident in Free State province.

Watch: 'I have no words' - Zimbabwe woman breaks down in tears of joy over Mugabe's resignation live on TV

Zimbabwean president Robert Mugabe today resigned after 37 years in power.

Watch: Zimbabwe's Parliament erupts into cheering as Robert Mugabe's resignation is announced

Mr Mugabe was not present, but a letter was read out confirming he will step down, ending 37 years of rule.

Watch: Wild celebrations on streets of Harare as Mugabe resigns as Zimbabwe president

The streets of Zimbabwe's capital today erupted in dancing, singing, honking and cheers.

Robert Mugabe doesn't resign as President of Zimbabwe during speech after being dumped by Zanu PF

Despite speculation he would quit, the long-serving head of state now faces impeachment from Zanu PF after refusing to step down willingly.

Thousands rally in Zimbabwe capital calling for President Mugabe to resign

Thousands of demonstrators angrily chanted and carried banners calling on Mugabe to step aside.

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