At least 40 people were killed and 115 others were injured early on New Year's Day when a fire ripped through a popular bar in a resort town in the Swiss Alps, police said. https://abcnews.link/0L1mhxd | ABC World News Tonight with David Muir

Two Ohio siblings are being hailed as heroes after rushing to the aid of their school bus driver, who suffered a medical emergency and was unable to breathe. Mola Lenghi has more. https://abcnews.link/qKFScSv | ABC World News Tonight with David Muir

David Muir shares his New Year's message and a personal look at the staff behind the scenes at ABC News. Happy New Year from World News Tonight! | ABC World News Tonight with David Muir