North Korea successfully tested a hypersonic missile on Wednesday, its first major weapons test this year, said a state media report.
French President Emmanuel Macron has warned he intends to make life difficult for people in France who have not been vaccinated against Covid-19.
Sudan's Prime Minister Abdalla Hamdok has resigned after another day of mass protests rocked the capital Khartoum.
Denmark's government has announced a goal to make domestic flights fossil fuel free by 2030.
Flight cancellations in the US have hit a new peak in a Christmas season hit hard by the Covid pandemic and bad weather.
Fireworks have killed three people and injured scores others in Europe despite bans being in place against their use.
South Africa has lifted overnight curfew rules, with officials saying the country may have passed the peak of its fourth wave of Covid-19 infections.
Russia's Vladimir Putin has warned his US counterpart Joe Biden that imposing new sanctions over Ukraine could lead to a complete breakdown in relations.
People catching Omicron are 50% to 70% less likely to need hospital care compared with previous variants, a major analysis says.
Russia's unmanned Luna-25 spacecraft has crashed into the Moon after spinning out of control, officials say.
Donald Trump has confirmed that he will not take part in Republican presidential debates with his rivals in the race for the White House.