"The United States and this Council cannot accept Syria's efforts to establish its presence in the area of separation as a new norm", Hunter said. "Therefore, the United States calls on the Russian Federation to use its influence with the Assad regime to compel the Syrian forces to uphold their commitment to the disengagement of forces agreement and immediately withdraw from the area of separation".
On Monday, US President Donald Trump signed a proclamation formally recognizing Israel's sovereignty over the Golan Heights.
The document, which has been widely regarded as the way of propelling Prime Minister Benjamin Netanyahu's re-election bid ahead of the 9 April parliamentary vote, has already been condemned by Iran, Russia, Syria, Turkey and other countries.
The Golan Heights, a strategically important area due to its water resources among other reasons, has been mostly under Israel's control since the country seized the area during the 1967 Six-Day War. When Israel adopted a law that effectively annexed the territory back in 1981, the United Nations unanimously declared that it was "null and void and without international legal effect". In 2018, the UN General Assembly adopted a resolution urging Israel to immediately withdraw its forces from the area after the country organized local elections in the area on 30 October.
Russian Deputy Envoy to the UN Vladimir Safronkov said Wednesday that Washington's unilateral decision to recognize the Golan Heights as Israel territory violates international law and the UN Security Council resolutions.
"The UN force historically has been an effective mechanism to decrease tension, to prevent incidents and escalation, and also to settle different claims between Israel and Syria", Safronkov said on Wednesday.
"This mechanism in the future should be able to create potential for building trust between the parties too. It is unacceptable seeing this positive trend and unilateral steps to undermine that, this not only exacerbates the situation in Syria and complicates the establishment of political process but it also creates serious obstacles to normalizing the relations between Israel and the Arab States".
Syrian Information Minister Imad Sara told Sputnik on Tuesday that Trump's proclamation has demonstrated that the legitimacy of international law does not exist anymore, stressing that Damascus would not give up its right to return all territories belonging to Syria, and the Golan Heights was no exception.