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.
A man missing for more than 26 years has been found alive in his neighbour's cellar, just a few hundred metres from his family home. Omar bin Omran was reportedly kidnapped as a teenager and was discovered on Sunday.
China will always be a good neighbor, friend and partner of mutual trust with Russia, the state television quoted China president Xi Jinping as saying, as he mets Russian president Vladimir Putin.
Slovak Prime Minister Robert Fico is no longer in a life-threatening condition after he was shot in an assassination attempt when leaving a government meeting on Wednesday, a government minister said.
US President Joe Biden and Republican rival Donald Trump on Wednesday agreed to face off in two debates on June 27 and Sept. 10, setting up the highest stakes moments yet of the race for the White House.
The number of people killed by weekend flash floods and mud slides in Indonesia's West Sumatra province has risen to 67 and 20 are still missing, authorities said on Thursday, as the government plans to relocate survivors to safer areas.
The UAE's President His Highness Sheikh Mohamed bin Zayed Al Nahyan has ordered the dispatch of aid to support those affected by heavy rains and floods in Brazil.
The UAE has reiterated its firm support for the rights of the Palestinian people and called for collective international action to put an end to the ongoing war in the Gaza Strip.