On Monday evening, David Muir shared breaking news about a tragic shooting in New York City in which a gunman killed four ...

World News Tonight with David Muir came to a quick halt during a broadcast to cover a mass stabbing at a Michigan Walmart and then quickly pivot to multiple new Alzheimer’s disease cures.

ABC's David Muir Is a Total 'Stud' in New 'Vacation Mode' Thirst Trap Photo originally appeared on Parade. This just in: ...