Bernie Sanders launches 2020 presidential campaign

German Chancellor Olaf Scholz is in Niger, continuing a three-country tour of Africa. One of the main motivations is that Germany is interested in new sources of energy. We get analysis from Dr. Douglas Yates of the American Graduate School in Paris. Also, as Hassan Sheikh Mohamud is sworn in as president of Somalia, we take a look at the challenges ahead for him. Elsewhere, it's been a year since the explosion of Mount Nyiragongo near Goma in eastern DR Congo, with many still homeless as a result.

Austria is dropping its mask wearing mandate for the time being — but expects the measure to be reintroduced after the summer. Swedish officials are also preparing for a new infection spike in autumn. Follow DW for more.

British coin producer, The Royal Mint, unveiled its £5 coin on Monday (May 23) engraved with Prince William's portrait, in honour of the Duke of Cambridge's 40th birthday on June 21.

Where do you get oil and gas if you want to end dependence on Russia? Germany imported more than 500,000 barrels of crude oil from Russia every day in 2020. In theory, Iran could step in. But it's complicated.

The 13-time French Open champion is philosophical about the lack of ranking points on offer at the next Grand Slam, Wimbledon.

We take you to discover some of France's most remarkable trees. In the village of Lucheux, in the northern Somme region, two triple-centenarian lime trees have intertwined over time to become one. They have even played a part in village history: for the past 300 years, they have shaped the future of married couples. Meanwhile, in the Seine-et-Marne region east of Paris, a Japanese sophora (pictured) arouses wonder and curiosity in observers. It stands in the grounds of a school for teenagers with learning difficulties, who regularly draw the tree.