The remarks come just days before President Donald Trump and Russian President Vladimir Putin are scheduled to meet.

Ukrainian President Volodymyr Zelenskyy claimed on Tuesday that Russian President Vladimir Putin is preparing for "new offensive operations" despite Friday's looming peace summit in Alaska -- and as Russian forces appear to have scored significant frontline success in eastern Ukraine.

Ukraine, together with Europe and the USA, must not allow Russia to deceive the world again. The Russian army is preparing not for the end of the war, but for new offensives, Ukrainian President Volodymyr Zelenskyy states.