Heavy snowfall and plummeting temperatures shut schools and shops in the Greek capital on Monday, with many public services and businesses switching to remote working.
Traffic was halted on some central roads and on a national road connecting Athens to central Greece, as storm Barbara swept across the country, blanketing the capital.
Some metro stations close to the city's international airport were also shut and train routes to the northern city of Thessaloniki were suspended.
Authorities urged the public to avoid non-essential travel.
Fire brigade rescue crews had evacuated four people whose car was stuck in the snow in the Athens suburb of Aspropyrgos, according to state TV ERT.
The cold snap was expected to last until Tuesday, gradually affecting eastern and southern regions, including the island of Crete.
Heavy snow is rare in the Greek capital but the country has now been hit by extreme weather for a third consecutive winter. Until Monday's snow, winter in Greece has been unusually mild so far this year.
At least 5 were killed and 35 others injured when a bomber detonated an explosive inside a mosque in Maiduguri, the capital of Nigeria's Borno state, during evening prayers, police said.
A helicopter has crashed on Tanzania's Mount Kilimanjaro, killing five people, the civil aviation authority said on Thursday, while local media reported that the aircraft was on a medical rescue mission.
Fourteen countries including Britain, Canada, and Germany have condemned the Israeli security cabinet's approval of 19 new settlements in the occupied West Bank on Wednesday, saying they violated international law and risked fuelling instability.
The US Justice Department has found more than a million more documents potentially tied to convicted American financier Jeffrey Epstein, delaying a full release for weeks while officials redact details to protect victims, the Department of Justice said on Wednesday.
Russia plans to put a nuclear power plant on the moon in the next decade to supply its lunar space programme and a joint Russian-Chinese research station, as major powers rush to explore the earth's only natural satellite.
A fifth batch of Indonesian medical personnel has arrived at the UAE Floating Hospital in Al Arish, Egypt, to provide medical care for Palestinian patients and those wounded arriving from the Gaza Strip under "Operation Chivalrous Knight 3".
Dubai Municipality has announced that the final phase of the ban on single-use plastic products in the emirate will come into force on January 1, 2026.