"Now is the moment to bring an end to the senseless killing," Trump said in a message published by Zelensky on Sunday.

Russia said power and energy facilities had been targeted by Ukraine, which accused Russia of "spreading manipulations".

Ukrainian President Volodymyr Zelensky says Ukraine will continue to fight for its freedom, with a commitment to retaining its borders as the country marked its Independence Day. As the Ukrainian leader gave a defiant speech to mark the occasion,