The last time Ukraine signed a peace accord with Russia, 10 years ago, it brought only sporadic violence, mounting distrust, and eventually full-scale war. Here’s what we can learn from that history.

As U.S. President Donald Trump continues to push for a swift end to the war in Ukraine, fears are mounting that Kyiv could be forced to accept a peace deal on unfavorable terms, and that will leave it vulnerable to future Russian attacks.

Russia and Ukraine continued aerial attacks on each other, inflicting injuries and damages, officials said early on Sunday, as the fate of a proposed ceasefire to the three-year-old war remained uncertain.