U.S. President Donald Trump said on Sunday he was "pissed off" at Russian President Vladimir Putin and will impose secondary tariffs of 25% to 50% on buyers of Russian oil if he feels Moscow is blocking his efforts to end the war in Ukraine.

President Volodymyr Zelenskiy said Ukraine would not accept any mineral rights deal that threatened its integration with the EU but said it was too early to pass judgment on a dramatically expanded minerals deal proposed by Washington.

Ukrainian President Volodymyr Zelenskiy said a truce with Russia covering the Black Sea and energy strikes was effective immediately on Tuesday, but warned that Moscow was already manipulating and distorting the accords.

Ukrainian President Volodymyr Zelenskiy said he expects European allies to share additional military intelligence and ramp up joint air defense and artillery production amid strained ties with the US.

President Volodymyr Zelenskiy said on Thursday Russian artillery had damaged Ukraine's energy infrastructure in the front-line city of Kherson, two days after the U.S. announced that each side had agreed to a truce on energy strikes.

Ukrainian President Volodymyr Zelenskiy sees a partial ceasefire with Russia taking effect after the US said the two sides had reached an agreement “to ensure safe navigation” in the Black Sea and to work out mechanisms for implementing the ban on strikes against energy infrastructure.

Ukraine's President Volodymyr Zelenskiy said on Thursday Ukrainian experts would be present at upcoming talks involving the United States and Russia, but will not be in the same room as Russia, as a diplomatic push to end the war intensifies.

Ukrainian President Volodymyr Zelenskiy agreed to a proposal for a mutual halt to strikes on energy assets as an initial step in President Donald Trump’s effort to end the war that began with Russia’s full-scale invasion three years ago.