Russian, U.S. chiefs of staff discuss risk of 'dirty bomb' in Ukraine - RIA

U.S. Chairman of the Joint Chiefs of Staff General Mark A. Milley attends a news conference during a NATO Defence Ministers meeting in Brussels, Belgium October 12, 2022. REUTERS/Yves Herman

(Reuters) - Russian military Chief of General Staff Valery Gerasimov and the chairman of the U.S. Joint Chiefs of Staff Mark Milley spoke by phone on Monday and discussed the possibility raised by Moscow that Ukraine might use a "dirty bomb", RIA news agency reported.

The call took place shortly after a similar conversation between Gerasimov and his British counterpart.