That's all from BBC Africa Live today. Keep up-to-date with what's happening across the continent by listening to the Africa Today podcast or check the BBC News website.

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And we leave you with this incredible tree in Cape Town, South Africa:

Kenya's President Uhuru Kenyatta has vowed that he will not allow the country to slide into anarchy, as tensions rise ahead of tomorrow's presidential election run-off.

In a televised address, he added: "I call on each and every one of us to turn out and vote."

His main rival Raila Odinga has called on people to stay at home, saying the poll will not be free and fair.

Image source, EPA

James Copnall
Africa editor, BBC World Service

Image source, Getty Images

The US ambassador to the UN, Nikki Haley, says she delivered a harsh message to South Sudan's President Salva Kiir when she met him in Juba today.

Nikki Haley was direct.

She said the US no longer trusted the South Sudanese government, and was no longer prepared to wait for change.

Talking to UN radio, she said President Kiir and his military needed to act immediately to stop the violence and abuses in the country.

She said Mr Kiir had to show he was the president of everyone in South Sudan, not just one group.

Mr Kiir is frequently accused of favouring his Dinka ethnic group.

Ms Haley did not say, in public at least, how she intended to persuade Mr Kiir to change.

But her visit is meant to show that the US intends to make a renewed diplomatic effort on South Sudan.

The US helped South Sudan win independence in 2011, but a civil war broke out two years later.

Image source, PA

Hollywood actor George Clooney has given $1m (£750,000) to The Sentry campaign group to investigate people who finance and benefit from conflict in Africa.

In a statement, he said:

This doesn't come completely out-of-the-blue, as the actor has involved himself in African politics before.

Clooney has been involved in using satellites tomonitor military movement across the border between Sudan and South Sudan, as Newsweek reported in 2011, external.

He also lobbied the US government about the Darfur crisis back in 2006, when Barack Obama was a senator.

Image source, Getty Images

Image source, Reuters

Kenya's ruling Jubilee Party has denounced the opposition National Super Alliance (Nasa) leader, Raila Odinga, as a "tribal king" who was trying to subvert the constitution by calling for a boycott of tomorrow's presidential election re-run.

In a hard-hitting statement after a day of high drama, the Jubilee Party called on voters to "put to shame the Nasa scheme" and added:

Image source, Reuters

An aerial drone company believes it can deter poachers from killing endangered wildlife.

BBC World Hacks looked into it:

Uganda's opposition leader Kizza Besigye, who has been charged with inciting violence, has been freed on bail after six nights in detention.

Uganda's Daily Monitor newspaper has tweeted that he was then blocked by police from leaving court:

Five other people were given bail along with Mr Besigye, the leader of the Forum for Democratic Change (FDC).

AFP adds that Mr Besigye was arrested last week after an opposition supporter was killed during a protest which the authorities declared illegal, in Rukungiri, western Uganda.

The protesters were marching against a ruling party plan to amend the constitution to remove presidential age limits, a move that would allow President Yoweri Museveni to stand for a sixth consecutive term in 2021.

Kenya's main opposition leader Raila Odinga has declared that his National Super Alliance - which is made up of various political parties - has turned into a "resistance movement", a BBC correspondent has tweeted from his rally in the capital, Nairobi:

Kenyan opposition leader Raila Odinga has called on a crowd at a rally in Nairobi to “not participate in any way in the election” tomorrow.

He called on people to either stay at home, or go somewhere to pray.

He said people should not take to the streets to protest because there was a "bloodthirsty regime" which would "massacre" them.

Mr Odinga said there was an "electoral dictatorship" and he again denounced the election a "sham".

He is asking for a free and fair election to be organised within 90 days.

Image source, Nasa

Kenya election watchers are tweeting pictures of opposition supporters turning up at a rally in Nairobi:

A Radio France International journalist caught the moment the leader of the opposition coalition Nasa, Raila Odinga, arrived:

Another journalist has captured the crowd:

Mr Odinga tweeted a live feed of the rally:

The Supreme Court annulled the original election in August, by a 4-2 majority, saying there had been "irregularities and illegalities".

Mr Odinga is boycotting the re-run, saying nothing has changed.

Members of DR Congo's opposition arrested in the south-eastern city of Lubumbashi for allegedly insulting President Joseph Kabila have been released, their party and police have told AFP news agency.

An official from the opposition party UDPS said that the people who were released were arrested on Sunday and Monday.

The releases come after a joint statement from EU officials and UN diplomats from the US, Switzerland and Canada, which expressed concern at restrictions on opposition gatherings, AFP adds.

Image source, bbc

President Joseph Kabila failed to step down when his second and final term expired last December. The electoral commission announced earlier this month that there would be no vote before early 2019.

Cosmetics giant Nivea has taken down at least some of its controversial adverts promoting skin-lightening creams.

We reported last week that Nivea was under fire for marketing skin-lightening products in West Africa.

Our former Ghana reporter Sammy Darko has sent us a picture today of an empty billboard where one such Nivea ad used to stand in Accra:

British-Ghanaian musician Fuse ODG also posted a video in front of another billboard in Accra where he says the offending advert had been replaced:

He says in the video that this is just the beginning:

You can watch Fuse ODG talk about the issue on Focus on Africa TV on BBC World at 17:30 GMT.

Ishaq Khalid
BBC Africa, Abuja

Image source, Getty Images

The Nigerian authorities have announced that prisoners will be allowed to vote in the next general elections.

The electoral commission says this is aimed at deepening the country's democracy.

The commission said it was considering setting up polling centres inside prisons.

The chairman of the electoral body announced that certain categories of inmates would be given the opportunity to vote, but he did not give further details.

Human rights activists have been campaigning for the change, arguing that not allowing inmates to vote is a violation of their rights.

Nigeria's next general elections are scheduled for February 2019.

Mozambique President Filipe Nyusi has sacked three top security bosses two weeks after an attack on police stations which was initially blamed on jihadists, reports AFP news agency.

The head of the spy agency, police force and army would be removed immediately, AFP quotes a statement from the president's office as saying.

Their replacements have yet to be named and no reason for the dismissals was given.

Image source, AFP

The attacks took place on 5 and 6 October in the town Mocimboa de Praia near the border with Tanzania and left two officers and 14 attackers dead.

Police initially said the attackers were linked to homegrown "Islamic extremist sects".

They later retracted the statement saying they were unconnected to any organised group.

Kenya's electoral commission chairman Wafula Chebukati has urged the nation to vote in tomorrow's highly contention presidential election, despite the main opposition calling for a boycott.

The commission had decided to press ahead with the poll because of the "progress" made in organising it, and following assurances from the "relevant authorities" and security agencies, Mr Chebukati added at a press conference at the commission's headquarters in the capital, Nairobi.

Image source, EPA

All polling stations would open at 06:00 local time, he said.

"In cases where there will be problems [delivering materials]... the polling officer will have the right to inform us and polling can be suspended to another day," Mr Chebukati added, Reuters news agency reports.

The head of Kenya's election commission, Wafula Chebukati, has confirmed that the re-run of the country's presidential election will go ahead as planned tomorrow.

Emmanuel Igunza
BBC Africa, Kisumu

Image source, AFP

Protests against tomorrow's presidential re-run started peacefully in the opposition stronghold of Kisumu city in western Kenya, but they later escalated into running battles between police and some of the demonstrators.

It all began when protesters pelted the police with stones.

Officers have been firing teargas trying to disperse some of the rowdy youth, who have barricaded some of the roads in the lakeside city.

There are now skirmishes in one of the areas.

Opposition leaders had urged their supporters to demonstrate peacefully and to go back to their homes, but that has really not happened.

Protesters say that they will also be demonstrating in the streets tomorrow instead of going to polling stations to cast their vote.

Dickens Olewe
BBC Africa

Image source, EPA

Hailed as a beacon of judicial independence, the reputation of Kenya's Supreme Court has suffered a big blow following its failure to hear the petition demanding a postponement of tomorrow's presidential election run-off.

Some will view it as evidence that the Supreme Court has shirked its responsibility and told Kenyans that they are effectively on their own.

The excuses that three judges gave for their absence, denying the court a quorum, are pretty flimsy. While a fourth was presumably in shock after her bodyguard was shot.

Image source, AFP

It seems that when Chief Justice David Maraga said a few weeks ago, amid intimidation following the annulment of the August election, that the judges were ready to pay the ultimate price to defend the rule of law, he was not widely supported.

It is now almost certain that the repeat presidential election will go ahead as planned. However, its credibility is in doubt - as even the chairman of the electoral commission has admitted.

Some international observers have reduced their involvement in the poll because they say the conditions are not conducive for a free and fair election.

Wearing white scarves, women have marched through Kenya's capital, Nairobi, to call for peace as fear grows that tomorrow's presidential election run-off will trigger violence.

Image source, AFP

The women prayed for peace:

Image source, AFP

Others made it clear that they would vote, despite a boycott call by the main opposition:

Image source, AFP

Others were jubilant when they heard the Supreme Court was unable to hear a petition calling for a delay in the poll:

Image source, AFP

Meanwhile, the opposition is planning a huge rally to protest against the election, a BBC correspondent tweets:

Kenya's presidential election has been hit by one crisis after another, as BBC Minute reports: