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.
Israeli gunfire killed at least 17 Palestinians and wounded dozens as thousands of displaced people approached an aid distribution site of a US-backed humanitarian group in central Gaza on Tuesday, local health authorities said.
Greta Thunberg and other pro-Palestinian activists have been taken to Tel Aviv airport ahead of their deportation, the Israeli Foreign Ministry said on Tuesday, after the Israeli navy prevented them from sailing to Gaza.
Russia launched another prolonged drone attack on Ukraine, killing one person and damaging swathes of Kyiv as well as striking a maternity ward in the southern port of Odesa, regional officials said early on Tuesday.
The US military will temporarily deploy about 700 Marines to Los Angeles until more National Guard troops can arrive on the fourth day of street protests over US President Trump's immigration policies.