Washington and Kyiv appear to have made notable shifts to secure progress, but big questions remain, not least whether Moscow will once again reject making concessions.

Ukrainian President Volodymyr Zelenskyy says proposals being negotiated with U.S. officials for a peace deal to end his country’s nearly four-year war with Russia could be finalized within days, after which American envoys will present them to the Kremlin before further possible meetings in the United States next weekend.