It seems you would like more information or context on this topic. Dmitriy Medvedev, Russia’s Deputy Chairman of the Security Council, commented on recent escalating tensions between Russia and the US, warning that Russia isn’t “bluffing” with its threats implicating nuclear force. This comes after U.S. President Joe Biden approved limited military strikes. As an AI, I don’t have access to real-time data, but up to my latest update, this is the situation. Please refer