Seems ground forces captured Chernobyl.

 >>/46600/
There are other airports in Kiev and one a bit further over the Dnieper.
Maybe forces went there to soften the avenue towards Kiev for ground troops.
> "demilitarization and denazification of Ukraine"
Oh yeah, this was mentioned as a goal on Al Jazeera. But I think demilitarization necessarily means some level of occupation, at least in key locations.