Ukraine's President Volodymyr Zelenskyy is set to lead a diplomatic push this week at the United Nations General Assembly in New York, as international leaders convene and the Security Council is slated to discuss a U.S.-backed proposal to end Russia's three-year war.

Zelenskyy said in a social media post that he was preparing for a "very intense week of diplomacy," adding that he would meet with President Trump during the General Assembly's high-level week. As part of the peace efforts, which Mr. Trump has helped broker but voiced frustration with in recent weeks, Zelenskyy offered to meet directly with Russian President Vladimir Putin to nail down a ceasefire agreement.

But despite hopeful messages from Mr. Trump in the wake of his Alaskan summit in August with Putin, there has been no

See Full Page