Nice coincidence...
Russian government resolution No. 873, dated 30 May 2023
"until 1 January 2028, a technical investigation of accidents at hazardous production facilities and accidents of hydraulic structures, resulting from military actions, sabotage, and terrorist acts, is not conducted"
https://euromaidanpress.com/2023/06/06/one-week-before-kakhovka-dam-explosion-russia-opted-out-of-investigating-hazardous-accidents/?swcfpc=1