Russian President Vladimir Putin said Thursday that Russia agrees in principle with the U.S. ceasefire proposal, but the terms need to be worked out.

But President Donald Trump expressed optimism Thursday for getting a peace deal to end the war in Ukraine. Russian President Vladimir Putin has recently rejected an immediate cease-fire. Trump’s envoy ...

Ukrainian leaders have already agreed to a 30-day halt in fighting, and now, U.S. diplomats are seeking Russia’s acceptance.