Earlier quoted context omitted.
The radiation numbers look similar to Feb 26 based on Wayback machine's last crawl.
The best containment domes won't survive persistent shelling. I can't conceive of a valid reason for shelling a nuclear power plant.
The classical excuse (see Operation Opera) is that it is part of an enemy weapons program from an enemy intent on nuking you. It would only be a small step from current propaganda for Russia to make this claim, having recently added the claim of an offensive Ukrainian nuke program to their propaganda.