More than 5,500 flights were canceled in the United States as of Monday evening due to a snowstorm, The Washington Post reported.
Earlier, media reported that at least 50 people had died in the United States by Monday morning as a result of heavy winter storm-related incidents.
At least 12 states, namely Colorado, Illinois, Kansas, Kentucky, Michigan, Missouri, Nebraska, New York, Ohio, Oklahoma, Tennessee and Wisconsin reported a total of 50 deaths, NBC News said. The city of Buffalo in northeastern New York state had the most casualties, with more than a meter of snow falling over the weekend. As of today, at least 14 people had died, the report said.