In a major diplomatic breakthrough, Ukraine has agreed to a 30-day ceasefire proposal put forward by the United States during high-stakes negotiations in Saudi Arabia. President Volodymyr Zelensky called the U.

By Guy Faulconbridge, Andrew Osborn and Vladimir Soldatkin MOSCOW (Reuters) - President Vladimir Putin said on Thursday that Russia agreed with U.S. proposals for a ceasefire in Ukraine, but that any truce would have to deal with the root causes of the conflict and that many crucial details needed to be sorted out.