Though Trump's decision was welcomed by leaders in Kyiv, Ukrainians and their supporters abroad also raised concerns that the 50-day window may offer Russian President Vladimir Putin an opportunity to intensify his long-range strikes against Ukrainian cities and ongoing summer frontline offensive.

Ukraine will get its first new prime minister of the war on Thursday, as President Volodymyr Zelenskiy tries to wrestle wartime defence spending into shape and win over both Donald Trump and a war-weary public with fresh-faced leadership.

Ukraine's spy agency said a man and woman were suspected to be involved in the assassination that was caught on surveillance cameras.

Russia continued its nightly bombardment of Ukrainian cities overnight into Tuesday, after President Donald Trump said the U.S. would send military equipment to Kyiv.

Russia launched a large-scale aerial assault on Ukraine’s capital Kyiv in the early hours of Thursday, marking a second consecutive night of ferocious attacks on the country, as Russia ramps up its bombardment more than three years into the war.

Ukrainian Security Service says two Russian FSB agents suspected of killing Colonel Ivan Voronych on July 10 have been "neutralized" in Kyiv Oblast.

Oil prices dropped by less than 1% on Tuesday after U.S. President Donald Trump's 50-day deadline for Russia to end the war in Ukraine and avoid sanctions eased concerns about any immediate supply disruption.