Add to that, the commander of the 92th tank battalion, reportedly one of the units involved in the Kursk offensive.
Seems like open assassination of Ukrainian leaders is now on the table.
Russia claims that these Ukrainian general staff and Pivnenko were involved in planning the attack. If so, the beginning of replies from Russia has been very swift. For Israel to find and take out Foaud from Oct 7 took 9 months+. For Russia to hit the planning generals from Aug 6, only a couple of days.
I guess this is the difference between invading a 3rd tier power and invading one of the major military powers with eyes everywhere.