
Ukraine’s nuclear energy operator on Tuesday offered what it suggested were clues about what might be behind Russia’s claims that Kyiv’s forces are preparing a “provocation” involving a radioactive device — a so-called dirty bomb.
Russian Defense Minister Sergei Shoigu made that claim to his British, French, Turkish and U.S. counterparts over the weekend. Britain, France, and the United States rejected it out of hand as “transparently false.”