On board Hawaiian Air Flight 35, dangerous turbulence left dozens injured, causing medics to declare a mass casualty emergency. NBC News’ Tom Costello has more details on the terrifying incident. » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watch more NBC video: http://bit.ly/MoreNBCNews NBC News Digital is a collection of innovative and powerful news brands that deliver compelling, diverse and engaging …

Speaking after a bowler-dominated day one at the Gabba in which 15 wickets fell, Australia’s Nathan Lyon said the opening day of the series against South Africa lived up to its potential Download our app: https://app.cricket.com.au/ More videos: https://www.cricket.com.au/video Follow us on Facebook: https://www.facebook.com/cricketcomau Follow us on Instagram: https://www.instagram.com/cricketcomau Follow us on Twitter: https://www.twitter.com/cricketcomau source

An arctic blast is expected to move south from Canada, bringing life-threatening cold to parts of the U.S. and could disrupt holiday travel in some regions. NBC News meteorologist Angie Lassman has the latest.  » Subscribe to NBC News: http://nbcnews.to/SubscribeToNBC » Watch more NBC video: http://bit.ly/MoreNBCNews NBC News Digital is a collection of innovative and powerful news brands that deliver …