February 25, 2017 0352 GMT
At least 10 people have died of the cold in Poland in the past days, according to local media, and in Belgium, one man died Saturday when his lorry slid off the highway because of the icy underground, AP reported.
Temperatures dropped to -7 degrees Celsius (19 degrees Fahrenheit) in Greece's second largest city of Thessaloniki, and -10 degrees Celsius (14 degrees Fahrenheit) was expected Sunday, according to the Norwegian Meteorological Institute.
Several Greek islands, otherwise known for their sunny and warm weather, were blanketed in snow with freezing temperatures.
Heavy snow crippled Istanbul, and national carrier Turkish Airlines canceled more than 650 flights. The state-run Anadolu news agency reported that even the Bosphorus Strait running through Turkey's largest city was closed with ferries being halted.
Turkey's private Dogan news agency reported that one of the main highways in Istanbul practically turned into a parking lot after drivers deserted their cars Friday night to walk home rather than battle the gusting snow and slippery roads.
It wasn't all gloom in Istanbul, delivery men whose truck was parked in a side street engaged in a snowball fight in between pushing their loads through mounds of snow that built up at the roadside.