I don't know if this is some sort of hoax. These link go to the same story, in fact every site that purports to talk about this all carry the same article. Interesting that they all discredit the video when I would think normally they want some video (of whatever) to drum up traffic. Indeed the video is of a meteor as explained. Anyone heard about this?
All News Web - Breaking News: Millions see UFO crash, Saudi Arabia
Disinfo.com - Millions See UFO Crash in Saudi Arabia
All News Web - Breaking News: Millions see UFO crash, Saudi Arabia
Disinfo.com - Millions See UFO Crash in Saudi Arabia