Yes. They are going to switch to vacuum explosives. They wont risk their tanks getting to close to Kyiv. They will just level Kyiv from a distance using dummy explosives. That is why everything is parked north. They are trying to bring up more TOS carriers from the south and east.

https://en.wikipedia.org/wiki/TOS-1

Vacuum explosives aren't nuclear, but god damnit: https://pomf2.lain.la/f/7vj9hxrh.mp4