At least 11,300 people have died and another 10,100 are missing from the coastal city of Derna one week after Storm Daniel hit northeastern Libya, the UN Office for the Coordination of Humanitarian Affairs reported.
An estimated 170 people have been killed as a result of the flooding elsewhere in the country, and more than 40,000 people have been displaced, the UN report said, citing the latest data from International Organisaton for Migration.
Figures are expected to rise as search-and-rescue efforts continue to look for survivors.
Libya's official news agency reported that floods completely destroyed at least 891 buildings in Derna, according to figures from a team assigned by the Libyan National Unity Government.
An additional 211 buildings were partially damaged and 398 others were submerged in mud, the report added, leaving a total of a quarter buildings damaged in the flood-ravaged city.
Several people were killed and others injured after an explosion and fire at a bar in the upscale ski resort of Crans-Montana in southwestern Switzerland, Swiss police said on Thursday.
Zohran Mamdani was sworn in as New York City mayor in the first minutes of the New Year at the historic City Hall subway station, with his wife Rama Duwaji standing by his side.
US President Donald Trump said on Wednesday his administration was removing the National Guard from Chicago, Los Angeles and Portland but he added in his social media post that federal forces will "come back" if crime rates go up.
President Donald Trump's advisers held talks on Wednesday with Ukrainian President Volodymyr Zelenskyy and national security advisers from the UK, France and Germany to discuss the next steps in ending Russia's war in Ukraine, US special envoy Steve Witkoff said.