State Department says US believes Russian FSB used a Novichok nerve agent to poison Navalny

"The United States believes that officers from the Russian Federal Security Service (FSB) used a Novichok nerve agent to poison Mr. Navalny. There is no plausible explanation for Mr. Navalny's poisoning other than Russian government involvement and responsibility," a State Department spokesperson said. "Of course, President Putin and the Russian government would have us believe otherwise."

The spokesperson said that Russia's inability to answer questions about Navalny's ...