LIVE UPDATES: US Senate to Hold Classified Briefing on Ukraine on Wednesday - Majority Leader

The US Senate will hold a classified briefing to update lawmakers on the conflict in Ukraine as Congress attempts to pass a government funding bill and the National Defense Authorization Act (NDAA) before the end of the year, Majority Leader Chuck Schumer said on Tuesday.

Republicans and Democrats will continue negotiations to fund the government through an omnibus bill or continuing resolution, as well as to pass the NDAA, before the new Congress takes office in January, Schumer said.

China stands for upholding the Geneva Conventions regarding the treatment of prisoners of war in the Ukraine conflict and captured combatants must be treated humanely, Chinese Deputy Permanent Representative to the United Nations Geng Shuang said on Tuesday.

"According to the third Geneva Convention, prisoners of war are entitled to human treatment and protection from torture and ill treatment and other harm," Geng Shuang said during a meeting of the UN Security Council.

Russian Ambassador to the United Nations Vassily Nebenzia walked out of the UN Security Council's room on Tuesday right before his Ukrainian counterpart, Sergiy Kyslytsya, began his speech, a Sputnik correspondent reports.

"I am not going to listen to what is going to be said by the representative of the Ukraine team," Nebenzia told a UN Security Council meeting.

Nebenzia referred to the "undiplomatic tweets" of the Ukrainian envoy.

Germany is considering providing Kiev with heavy weapons, with negotiations on timing and supply logistics conducted in the "triangle" format, Ukrainian Ambassador to Berlin Oleksiy Makeev said on Tuesday.

Makeev said previously that Ukraine needed weapons such as Leopard tanks, Marder infantry fighting vehicles, Fuchs and Dingo armored personnel carriers.

"The President, the Minister of Defense, the Minister of Foreign Affairs constantly say that we [Ukraine] need serious armored vehicles... This message has reached the people in the [German] government and in the Bundestag here. I have no reason to believe that someone in Germany is ruling out the possibility of supplying such weapons," Makeev said in an interview with Ukrinform news portal.

Russia has requested a UN Security Council meeting on December 9 to address the matter of weapons supplies to Ukraine by the collective West, Russian mission to the United Nations said on Tuesday.

The draft of a new EU sanctions package against Russia includes a ban on the broadcasting of four channels, as well as control over the export of dual-used goods worth more than 2.3 billion euros ($2.4 billion), the Financial Times newspaper reported on Tuesday.