The brutal amount of energy released, the fungus-shaped explosion and the white pixelization of the film caused by radiation release is pretty much unmistakable.
It was not (not directly) Saudi Arabia because the Islamist state does not have F-16 airplanes nor, for all we know, nuclear weapons. So it was Israel or the USA (most opinions think that Israel).
There's not much more to say other than it is dramatically necessary to stop the terrorist state of Israel and its allies: USA, Saudi Arabia, Turkey and the Islamic State. It is very late already but better late than never.