Russia's Medvedev: We'd have to use a nuclear weapon if Ukrainian offensive was a success

By Andrew Osborn MOSCOW (Reuters) - Former Russian President Dmitry Medvedev, who has sometimes raised the spectre of a nuclear conflict over Ukraine, said on Sunday that Moscow would have to use a nuclear weapon if Kyiv's ongoing counter-offensive was a success. Medvedev, who is deputy chairman of Russia's Security Council, a body chaired by President Vladimir Putin, said in a message on his official social media accounts that Russia would be forced to fall back on its own nuclear doctrine in such a scenario. "Imagine if the.. offensive, which is backed by NATO, was a success and they tore of...