Factbox: Has Putin threatened to use nuclear weapons?

LONDON, Oct 27 (Reuters) – The West says Russia has made repeated threats to use nuclear weapons in Ukraine, but what has President Vladimir Putin actually said on the possible use of nuclear weapons? NUCLEAR WARNINGS? The recent surge in concern over a possible nuclear escalation come after two Putin speeches last month in which he clearly indicated that he would, if needed, use nuclear weapons to defend Russia. Putin on Sept. 21 warned the West he was not bluffing when he said Russia would use “all available means to protect Russia and our people”. The Kremlin chief said the…