The UN Security Council will vote to convene a rare “emergency special session” of the 193-member General Assembly on Russia’s invasion of Ukraine, two days after Moscow used its veto to block a resolution on its aggression against Kyiv.The UN Security Council will vote to convene a rare “emergency special session” of the 193-member General Assembly on Russia’s invasion of Ukraine, two days after Moscow used its veto to block a resolution on its aggression against Kyiv.