One billion people in slums at risk of being infected with coronavirus

Niger's coup leaders have tried to expel France's ambassador, but Paris says it doesn't recognize their authority to order him out. Macron said on TV he was "literally" a "hostage," stuck in the French Embassy in Niamey.

The parents of Marie, a 15-year-old French teenager, have pressed charges against TikTok after their daughter committed suicide in 2021. They believe that by sharing a flow of videos about suicide to Marie, who suffered from low self-esteem, the platform pushed her to take her own life. FRANCE 24's Science reporter Shirli Sitbon looks at ways a new French bill could tackle negative algorithms and online bullying.

King Charles III's first state visit to France this week will include echoes of his mother's many trips across the English Channel. Like Queen Elizabeth II did in her day, he will process through the streets of Paris, plant a tree at the British ambassador's residence and dine at the Palace of Versailles.

Located in the Pacific Ocean, French Polynesia is made up of over 100 islands, some of which are comprised of ring-shaped coral reefs called atolls. These are particularly susceptible to climate change. The idyllic atoll of Hao, also known as the "harp island" for its bow-like shape, is threatened daily by rising sea levels. Residents face a tough decision: continue to weather the ravages of rising tides, or relocate and become climate refugees. Our France 2 colleagues report, with FRANCE 24's Lauren Bain.

Its grapes are twice fermented, which is the same as the process used to make prosecco. However, prosecco is fermented in stainless steel vats and champagne is twice fermented in glass bottles. The result is two very different sparkling wines. Champagne retains a dryness and develops a very complex flavour profile.

Deep in France's southern Lubéron mountains lies a stunning red and orange landscape reminiscent of the vast plains of America: the Colorado provençal. This spot of wild nature is in fact a former open-cast ochre quarry. Every year, some 300,000 visitors venture through these 30 unusual hectares, between fairy chimneys and strange sculptures, to discover the remains of the site's industrial past.

Germany and France decided to jointly develop key weapons systems, but several have been abandoned. And now, the MGCS battle tank prestige project is meeting a lot of resistance.

Finding space... in space! We speak to General Michel Friedling, founder of Look Up Space, the French startup that's developing a solution to better navigate Earth's increasingly cluttered lower orbit.

The French president said military cooperation with the West African nation would end and France's soldiers stationed there would return home by the end of the year.

The German and US defense ministers have said they see no immediate need to leave Niger, following France's decision to withdraw troops. Niamey's junta has been more focused on the former colonial power's presence.

The French diplomat left the capital Niamey for Chad early Wednesday, Paris said. The military junta had ordered his expulsion some weeks ago.

The former US president is being sued by the New York attorney general for deceiving banks and insurers by over-valuating assets. The judge's decision narrows the parameters of a trial next week.