Mr. Putin claimed that Kyiv’s response would shed light on Ukraine’s “desire, and, indeed, its ability” to take part in negotiations to end the war. President Volodymyr Zelensky of Ukraine referred to the announcement as Mr. Putin’s “next attempt to play with people’s lives,” without specifying whether Ukraine would also observe a truce.

U.S. President Donald Trump's envoy, Steve Witkoff, will visit Moscow this week for a new round of talks with Russian President Vladimir Putin about the war in Ukraine, the White House said on Tuesday.