Marguerite Gnakadé has become a vocal critic of Togo's long-serving leader Faure Gnassingbé.

If no candidate wins more than half the votes, the top two contenders will head to a run-off.

The University of Surrey says it is tackling schistosomiasis, a major public health issue.

In the early 1960s, Unesco appealed for scientists to go to Egypt to save antiquities that were threatened by the construction of one of the largest dams in the world, the Aswan High Dam on the River Nile.

Professor Herman Bell answered that call from the UN. He spoke to Louise Hidalgo in 2020.

Eye-witness accounts brought to life by archive. Witness History is for those fascinated by the past. We take you to the events that have shaped our world through the eyes of the people who were there. For nine minutes every day, we take you back in time and all over the world, to examine wars, coups, scientific discoveries, cultural moments and much more. Recent episodes explore everything from the death of Adolf Hitler, the first spacewalk and the making of the movie Jaws, to celebrity tortoise Lonesome George, the Kobe earthquake and the invention of superglue. We look at the lives of some of the most famous leaders, artists, scientists and personalities in history, including: Eva Peron – Argentina’s Evita; President Ronald Reagan and his famous ‘tear down this wall’ speech; Thomas Keneally on why he wrote Schindler’s List; and Jacques Derrida, France’s ‘rock star’ philosopher. You can learn all about fascinating and surprising stories, such as the civil rights swimming protest; the disastrous D-Day rehearsal; and the death of one of the world’s oldest languages.

(Photo: Construction of the Aswan High Dam. Credit: Getty Images)

Rwanda has made it easier for teenagers to access reproductive health services with a new law. If you’re aged 15 in the country, you’ll be able to start the contraceptive pill or get condoms through a medical professional without your parents’ permission. Those in favour say it’ll help tackle teen pregnancy, which some lawmakers have called a national crisis. But it’s also sparked backlash from religious communities and social media commentators.

BBC Africa’s Health correspondent Dorcas Wangira explains the new law and the arguments for and against it. We also hear what sex education is available in Rwanda, and how big of an issue teen pregnancy is.

Instagram: @bbcwhatintheworld Email: whatintheworld@bbc.co.uk WhatsApp: +44 330 12 33 22 6 Presenter: Hannah Gelbart Producers: William Lee Adams, Julia Ross-Roy and Benita Barden Video Journalist: Baldeep Chahal Editor: Verity Wilde

A photo of the 3,000-year-old bracelet has been sent to airports, seaports and border crossings to stop it being smuggled out of the country.

Islamists fighters are trying to prevent deliveries of fuel and other essential supplies to landlocked Mali.

Kenya's Beatrice Chebet is aiming to become just the third woman to clinch a 5,000m-10,000m double at the World Athletics Championships.

Niger's army has failed to contain the jihadist insurgency, with dozens killed in recent attacks.

As the 50th independence anniversary approaches the country grapples with poverty and inequality.

In 2014, Egypt’s outgoing president, Adly Mansour, issued a decree which categorised sexual harassment as a crime punishable by a minimum six-month jail term and a fine of 3,000 Egyptian pounds which is around $60.

It was a move campaigners welcomed, saying it was the first step towards ending an endemic problem.

Among those who made the change happen was Engy Ghozlan, co-founder of HarassMap, an online tool to report harassment.

She speaks to Megan Jones about what life in Egypt was like for women before the legislation came into force.

Eye-witness accounts brought to life by archive. Witness History is for those fascinated by the past. We take you to the events that have shaped our world through the eyes of the people who were there. For nine minutes every day, we take you back in time and all over the world, to examine wars, coups, scientific discoveries, cultural moments and much more. Recent episodes explore everything from the death of Adolf Hitler, the first spacewalk and the making of the movie Jaws, to celebrity tortoise Lonesome George, the Kobe earthquake and the invention of superglue. We look at the lives of some of the most famous leaders, artists, scientists and personalities in history, including: Eva Peron – Argentina’s Evita; President Ronald Reagan and his famous ‘tear down this wall’ speech; Thomas Keneally on why he wrote Schindler’s List; and Jacques Derrida, France’s ‘rock star’ philosopher. You can learn all about fascinating and surprising stories, such as the civil rights swimming protest; the disastrous D-Day rehearsal; and the death of one of the world’s oldest languages.

(Photo: Egyptian women take part in a march against sexual harassment. Credit: Ed Giles/Getty Images)

Million of litres of highly acidic waste spilled into rivers in a copper-mining area, farmers say.

The political rift that could spiral into conflict again after the vice-president was accused of treason.

Campaigns were overshadowed by price rises and fuel shortages.

The young men are seen dancing to a remix of a campaign song, with altered lyrics.

The 21-year-old was killed in 2012 and her body found in a septic tank in the garrison town of Nanyuki.

Guinness World Records confirms the achievement, saying the rice weighed in at a staggering 8,780kg.

In 1979, Egypt’s former first lady Jehan Sadat helped lead a campaign to grant women new rights to divorce their husbands and retain custody of their children.

Married to President Anwar Sadat, she wanted to play a more active role than the wives of previous leaders and told her husband it was his duty to make Egypt more equal for women.

After some persuasion, he issued decrees improving the divorce status of women despite facing a backlash, and these became known as “Jehan's laws”.

Produced and presented by Reena Stanton-Sharma.

Eye-witness accounts brought to life by archive. Witness History is for those fascinated by the past. We take you to the events that have shaped our world through the eyes of the people who were there. For nine minutes every day, we take you back in time and all over the world, to examine wars, coups, scientific discoveries, cultural moments and much more. Recent episodes explore everything from the death of Adolf Hitler, the first spacewalk and the making of the movie Jaws, to celebrity tortoise Lonesome George, the Kobe earthquake and the invention of superglue. We look at the lives of some of the most famous leaders, artists, scientists and personalities in history, including: Eva Peron – Argentina’s Evita; President Ronald Reagan and his famous ‘tear down this wall’ speech; Thomas Keneally on why he wrote Schindler’s List; and Jacques Derrida, France’s ‘rock star’ philosopher. You can learn all about fascinating and surprising stories, such as the civil rights swimming protest; the disastrous D-Day rehearsal; and the death of one of the world’s oldest languages.

(Photo: Jehan Sadat in 1975. Credit: Hilaria McCarthy/Daily Express/Hulton Archive via Getty Images)

Over the past year, Kenya has been rocked by anti-government protests. What started as a demonstration over proposed tax increases soon turned into a nationwide, youth-led protest over the state of the economy, alleged political corruption and police brutality. But it's come at a cost. Dozens of protestors have been killed in clashes with the police, and human rights groups say many activists have been abducted and tortured by agents of the states. Michael Kaloki meets the young Kenyans who are caught in a battle for change.

Presented by Michael Kaloki Produced by Alex Last Studio mix by Neil Churchill Editor Penny Murphy

Momodou Ceesay rejected the president's decision to oust him from the post.