A major snowstorm has caused at least four deaths and numerous injuries across seven states in the US, affecting around 60 million people. A polar vortex has brought severe weather, leading to a state of emergency in several states, school closures, and widespread power outages. The storm has resulted in treacherous road conditions and significant flight cancellations, particularly in Kansas, which experienced the heaviest snowfall. Teljes cikk (Euronews.com)