The Russian deputy foreign minister said the US and NATO's increasing involvement in the conflict in Ukraine could result in a direct military clash of nuclear powers.

In a modern nuclear war with the impact of a global famine, five billion people would die — triggered by sunlight-blocking soot in the atmosphere.

The Secretary General of the United Nations has warned in his speech at the 10th Review Conference of the Nuclear Non-Proliferation Treaty that the world is on the verge of a nuclear war, and this issue has not been seen since the height of the Cold War.

The spokesman of the Russian Foreign Ministry said that the all-out confrontation of the West against Russia has put the world on the verge of nuclear war.