President Vladimir Putin is open to peace in Ukraine and intense work is going on with the United States, but the conflict is so complicated that the rapid progress which Washington wants is difficult to achieve,

President Vladimir V. Putin of Russia ordered a three-day unilateral cease-fire in Ukraine next week, the Kremlin said on Monday, soon after President Trump reiterated his frustration with Russia’s refusal to stop the war.

Russian President Vladimir Putin announced Monday a three-day cease-fire in its war with Ukraine is set to take place in May, but Ukrainian officials question its timing and validity.