Ukraine respects U.S. President Joseph Biden's decision on Sunday to withdraw from the presidential race and thanks him for his unwavering support, President Volodymyr Zelenskyy said.

"Ukraine is grateful to President Biden for his unwavering support for Ukraine's fight for freedom, which, along with strong bipartisan support in the United States, has been and continues to be critical," he wrote on X.

"Many strong decisions have been made in recent years and they will be remembered as bold steps taken by President Biden in response to challenging times. And we respect today's tough but strong decision," Zelenskyy said.

"We will always be thankful for President Biden's leadership. He supported our country during the most dramatic moment in history, assisted us in preventing Putin from occupying our country, and has continued to support us throughout this terrible war," the president noted.

"The current situation in Ukraine and all of Europe is no less challenging, and we sincerely hope that America's continued strong leadership will prevent Russian evil from succeeding or making its aggression pay off," he said.

As reported, incumbent U.S. President Joseph Biden announced his withdrawal from the 2024 election campaign.