Russian President Vladimir Putin has cast doubt on the latest US efforts to make a peace plan to end the war in Ukraine, but confirmed that a US delegation would travel to Moscow early next week.

In his first public response to a new 28-point text aiming to end the war, Putin said it was too early to describe the document as a treaty. Asked about his stance on the Donbas region, Putin said Russia would stop fighting only when Ukraine withdrew its troops.

“It would be impolite to speak about any final versions [of the plan], since there are none,” Putin told reporters at a press conference during a visit to Kyrgyzstan on Thursday. “There was no draft [peace] treaty. There was a set of questions that were proposed to be discussed and finally formulated.”