Severe cold weather in Finland's Lapland has stranded thousands of tourists as flights from Kittila airport were cancelled due to temperatures dropping below -35C. The situation is expected to worsen with forecasts of -39C. The extreme cold has affected airport operations and road conditions, leading to hazardous travel. A bus carrying Ukrainian passengers had a minor incident, but no serious injuries were reported. The unusual cold coincides with a storm affecting other parts of Europe.