
This follows a written request from Ukraine to send teams of inspectors to the locations, Grossi said.
Russia has accused Ukraine of preparing to use such a weapon and alleged that it is in the final stages of developing it.
A dirty bomb uses the explosion of a conventional warhead to spread radioactive, biological, or chemical materials over a wide area.
Kyiv and its Western allies have firmly denied the accusation and asserted that Russia has raised the dirty bomb claim because it might be planning to use one and blame it on Ukraine. This would provide Moscow justification for the use of conventional nuclear weapons. Grossi said:
"The purpose of this week's safeguards visits is to detect any possible undeclared nuclear activities and materials related to the development of "dirty bombs."












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