Lviv: The Ukrainian authorities do not know what the radiation levels are at Chernobyl nuclear power plant, as they have not heard about what is happening there since it was seized by Russian troops, energy minister Herman Halushchenko said on Wednesday, March 9.Also Read: Russia Warns Against Oil Import Ban, Makes Little Progress at Ukraine TalksHe said Ukraine also had no control over what was happening at the occupied Zaporizhzhia nuclear power plant, where it said 400 Russian troops were stationed.(Reuters)