There are reports of an accident at an air show at Travis Air Force Base in California.

Early reports say that a biplane crashed during the show, and the remainder of the event was canceled:

Aircraft accident at Travis AFB down plane

A photo posted by @itsteddy on

Was at the air show. And the guy crashed upside down…

A video posted by ?Temetrius O'Bannon? (@yng49er) on

Unfortunately, there is also a report that the pilot was killed in the crash:

Twitchy will update this post as more information becomes available.

Editor’s note: This post has been updated with additional tweets