The UK would "cease to exist" if a nuclear World War Three began and even the safest locations would suffer from a "nuclear winter", experts state.
Professor Andrew Futter, from the University of Leicester, said that the Russian president Vladamir Putin does not have much to gain from resorting to nuclear weapons but warned that a civil war may leave him desperate.
The specialist in international politics added that Russia using nuclear weapons remains a long way off. However, Professor Futter and a number of other leading experts have revealed what the world would look like if WW3 really did break out.