The Trump administration made clear it will abandon peace attempts for Ukraine if Russia fails to adhere to any terms, but the president did not say whether there would be consequences.

A new meeting is expected next week in London, and Rubio suggested that could be decisive in determining whether the Trump administration continues its involvement.

The secretary of state, in earlier remarks aimed at putting pressure on both sides to compromise, said Washington had presented a framework for a deal to Kyiv and Moscow.