The fires in Ukraine, which had been announced extinguished on April 15, 2020, were reactivated under the effect of strong winds which stirred up the embers of previous fires.
On April 17, 2020, IRSN produced a new information report explaining the evolution of the fires compared to the situation presented on April 15, 2020, and specifying some elements relating to the nuclear installations located on the site of the Chernobyl NPP.