Trump accused Zelensky of harming peace talks by not recognising Russian control of Crimea - a point of contention in bringing an end to the conflict. The Russian defence ministry claimed the deadly overnight strikes targeted Ukraine's military infrastructure, adding their aim had been "achieved".

Ukrainian President Volodymyr Zelensky reiterated that he cannot go against his country's constitution on Crimea, after U.S. President Donald Trump accused him of damaging the peace process with Russia over the issue.

Ukraine is facing a crossroads in its fight against Russia's full-scale invasion, with the possibility of being forced to reject an unfavorable peace deal being imposed under huge pressure from the U.