Concerning the situation in the Ukraine, some members of ETSON have published notes and reports: 

GRS on Situation at Chernobyl NPP after failure of external power supply (as of 11 March 2022)

IRSN Information Note Situation at the Chernobyl site (as of 10 March 2022)

IRSN Information Note Update on the risk situation regarding Ukrainian nuclear facilities (as of 7 March 2022)

IRSN Information Report Situation of nuclear facilities in Ukraine (as of 1 March 2022)