At least 67 weather-related deaths from deep freeze across the nation

Over 90 million Americans are under winter weather alerts Sunday morning after the brutal cold caused at least 67 deaths. SUBSCRIBE to ABC NEWS: https://bit.ly/2vZb6yP Watch More on http://abcnews.go.com/ LIKE ABC News on FACEBOOK https://www.facebook.com/abcnews FOLLOW ABC News on TWITTER: https://twitter.com/abc #news #weather #winter #abcnews