Russia warns US on possible nuclear testing under Trump

Russia’s arms control point man cautioned Donald Trump’s incoming administration on Friday that Moscow was considering a whole range of possible steps on nuclear testing due to what it said was Trump’s radical position on the issue.

The Kommersant newspaper quoted Deputy Foreign Minister Sergei Ryabkov, who oversees arms control, as saying that Trump took a radical position on the Comprehensive Nuclear Test Ban Treaty (CTBT) during his first term.

“The international situation is extremely difficult at the moment...