In a quiet Indianapolis neighborhood, a special group of musicians stepped up to spread some much-needed Christmas spirit. Linsey Davis shares the story of how the big band delivers joy to families in need. https://abcnews.go.com/ | ABC World News Tonight with David Muir

Video from the Pentagon shows a U.S. warship firing one of more than a dozen missiles targeting ISIS in Nigeria, an official told ABC News. Pres. Trump said he ordered the strikes against terrorists who he said were "targeting" and "killing" Christians. Selina Wang reports. https://abcnews.link/1BxMyeI | 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

Whiteout conditions are slamming the Midwest, causing blizzard warnings and wind gusts up to 50mph. As the storm heads across the country, parts of the Northeast are preparing for icy conditions amid holiday travel. Dani Beckstrom has the forecast. https://abcnews.link/JIoobR9 | ABC World News Tonight with David Muir