A hidden, underground military base in eastern Ukraine is so secret, soldiers change into civilian clothes whenever they step outside to avoid drawing attention.
Americans will be able to visit national parks for free on Donald Trump's birthday next year, but will no longer be able to do so on Martin Luther King Jr Day or Juneteenth.
The King and Queen have released their Christmas card for this year, featuring a portrait of the royal couple arm in arm as they celebrated their 20th anniversary.
Russia launched a massive missile and drone attack on Ukraine overnight into Saturday, as President Volodymyr Zelenskyy said he had a "substantive phone call" with US officials aimed at ending the nearly four-year war.
Negotiations on a lasting ceasefire deal for Gaza are at a "critical moment", the prime minister of Qatar, which has played a key role in brokering the deal, has said.
At least 50 people, including 33 children, have been killed in southern Sudan after a drone attack by paramilitary forces hit a nursery in South Kordofan state.
More wet and windy weather has been forecast to hit the UK this weekend, with the Met Office warning of a system to bring further "potentially disruptive weather" from next week.
Part of the Tower of London has been closed following reports of criminal damage to a display case containing the Imperial State Crown, part of the Crown Jewels.
At least 12 people have been killed, including a three-year-old boy, in a shooting at an illegal bar in the South African city of Pretoria, police say.