I don't think that they can mimic the Chernobyl accident as it would take the terrorists taking control of the plant to set up the conditions, that and most plants are light water reactors not graphite moderated.
"That's just my opinion I could be wrong." D.M.
[coffee]
The next Chernobyl may be intentional
http://blogs.reuters.com/great-debate/2016/04/25/the-next-chernobyl-may-be-intentional/ (http://blogs.reuters.com/great-debate/2016/04/25/the-next-chernobyl-may-be-intentional/)
I ran into this article soon after posting the opening article. It is not comforting that Russia and Pakistan are not participating in the international effort to increase security.
How to protect nuclear plants from terrorists
http://www.energypost.eu/protect-nuclear-plants-terrorists/ (http://www.energypost.eu/protect-nuclear-plants-terrorists/)