WATCH: The emotional moment Conan O'Brien learned of Robin Williams' death

Conan O'Brien broke news to shocked audience live on air.

Late-night comedian Conan O’Brien had almost wrapped up his Monday night show when news broke that his friend and fellow comic Robin Williams had died.

A visibly stunned O’Brien then told the hushed studio audience, apologizing to them for having to break the news to them in this way.