UFO caught on camera

UFO has been caught on camera. See the link for video.

http://in.news.yahoo.com/ufo-over-lafayette--colorado--caught-on-camera.html

I saw it .But what is this UFO?

UFO means
unidentified flying object (usually abbreviated to UFO or U.F.O.) is any unusual apparent object or phenomenon in the sky whose cause cannot be ascertain

UFO means
unidentified flying object (usually abbreviated to UFO or U.F.O.) is any unusual apparent object or phenomenon in the sky whose cause cannot be ascertain

Thanks Sumit.I looked in that article.But couldn't see at all.