"Having become completely untethered from reality, the West is deliberately provoking a direct confrontation between nuclear powers," Nebenzya said during a meeting of the UN Security Council.
In May this year, Russian Foreign Minister Sergey Lavrov stated that direct involvement of NATO member states in the Ukrainian crisis increases the risk of a nuclear conflict.
"De jure, NATO countries are directly involved in the conflict on the side of Kiev. Such an irresponsible line significantly increases the threat of a direct military clash between nuclear powers," Lavrov said at an international meeting of high representatives in charge of security issues taking place in the Moscow region.