The Taoiseach has warned the UN the world is at risk of a new nuclear arms race.
Leo Varadkar criticised Russia for threatening to use nuclear armaments in its conflict with Ukraine if there is an escalation from the west.
He also said the international community had failed when it comes to Israel and Palestine.
Speaking in New York last night Leo Varadkar told the United Nations Ukraine deserves the unqualified support of all member states: