 Russian warns again, nuclear powers may clash over Ukraine, a senior Russian diplomat warned that increasing Western support for Ukraine could trigger an open conflict between nuclear powers. Speaking at the UN Conference of Disarmament, Russian Deputy Foreign Minister Sergei Ryabkov denounced the US and its allies for openly declaring the goal of defeating Russia in a hybrid war, arguing that it violates their obligations under international agreements and is fraught with the war in Ukraine spilling out of control. Ryabkov warned that the US and NATO policy of fuelling the conflict in Ukraine and their increasing involvement in the military confrontation is fraught with a direct military clash of nuclear powers with catastrophic consequences. He emphasized that Russian President Vladimir Putin's move to suspend the 2010 new START Treaty, the last remaining nuclear arms pact with the US, came in response to the US and NATO action on Ukraine.