Is Chernobyl's Reactor Core Still 'Melting'?

[Marlin]

Is Chernobyl's Reactor Core Still 'Melting'?

https://www.realclearscience.com/blog/2022/05/10/is_chernobyls_reactor_core_still_melting_831610.html

[Mounder]

"A sudden runaway reaction in the presence of rainwater could trigger an explosion that would bring down parts of the decaying building that originally housed the reactor."  Could trigger a number of things, not necessarily an explosion.  Gas buildup might be anticipated for their structure design.  The blue flash isn't an explosion.

[Mounder]

"A sudden runaway reaction in the presence of rainwater could trigger an explosion that would bring down parts of the decaying building that originally housed the reactor." 

Could trigger a number of things, not necessarily an explosion.  Gas buildup might be anticipated for their structure design.  The blue flash isn't an explosion.