To imagine the future, one must be prepared to accept a probable scenario where the number of nuclear-capable states grows.

Iran says it could quit the global nuclear Non-Proliferation Treaty (NPT) if European countries refer it to the UN Security Council over a nuclear agreement, a move that would overturn diplomacy in its confrontation with the West.

Former South Korean President Kim Young-sam, an iconic figure of South Korea's pro-democracy movement, has died aged 87.