By Gram Slattery and Humeyra Pamuk WASHINGTON, Jan 30 (Reuters) - U.S. and European officials are growing increasingly worried as hundreds of millions of dollars in U.S. energy assistance promised to Ukraine remain unreleased,

President Volodymyr Zelenskyy said Sunday that a U.S. security guarantees document for Ukraine is “100% ready” after two days of talks involving representatives from Ukraine, the U.S. and Russia.

Ukrainian President Volodymyr Zelensky on Sunday highlighted progress made by Russian, Ukrainian and American negotiators in the United Arab Emirates capital Abu Dhabi, even as the path to achieving peace remains unclear.

Jan 27 (Reuters) - The Trump administration has signalled to Ukraine that U.S. security guarantees depend on Kyiv agreeing to a peace deal likely requiring it to cede the Donbas region to Russia, the Financial Times reported on Tuesday,

Negotiations to end Russia's invasion of Ukraine are showing signs of progress, but major challenges remain, according to a senior Kremlin official

Ukrainian President Volodymyr Zelenskyy said the future of Ukraine’s eastern Donbas region will be a key focus as negotiators from Ukraine, Russia and the United States meet in Abu Dhabi on Friday for talks to end Russia’s nearly four-year full scale invasion

The first-ever trilateral negotiations between Russia, Ukraine and the US ended Saturday without any breakthroughs toward an elusive peace deal, as Moscow unleashed a relentless bombing of Kyiv resulting in drastic power cuts to 80% percent of the war-torn capital.

Zelenskyy said in an evening address it's "still too early to draw conclusions."

The National Bank of Ukraine (NBU) has projected that international reserves will increase to US$65 billion by the end of 2026, up from US$52.2 billion, and to US$72.9 billion in 2027, up from US$59.2 billion.

The first trilateral talks between Ukraine, Russia and the United States aimed at ending the war in Ukraine have been hailed as “constructive” as they concluded in the United Arab Emirates on Saturday.

Ukrainian President Volodymyr Zelensky said the U.S. security guarantees document is “100% ready” after the latest rounds of talks in the United Arab Emirates. “For us, security guarantees are first and foremost guarantees of security from the United States.