Volker reported on Trump and Zelensky's telephone conversation

“President Trump called to congratulate Vladimir Zelensky on his election victory and the Ukrainian people on peaceful and democratic elections,” he wrote on his Twitter.

According to Volcker, the United States will "support Ukraine’s efforts to restore its territorial integrity and counter Russian aggression."

President Trump is called to congratulate people. We will continue to support the aggression. https://t.co/ShBOWU1rga

Earlier, Ukrainian media reported that Trump congratulated Zelensky with a victory and a “brilliant campaign”.