Indeed. We can't tell if this is genuine because while it is sadly plausible it might also be a troll, and we don't have a media competent enough to detect the difference or credible enough to believe either way.

Thankfully it doesn't matter; if there really is going to be a Russian version of Chernobyl it will be awful and everyone except the inveterate whataboutists will point and laugh. That is a metaphysical certitude.