Russian President Vladimir Putin saidhe supported in principle Washington's proposal for a 30-day ceasefire with Ukraine but that his forces would fight on until several crucial conditions were worked out.

Russia and Ukraine traded heavy aerial blows overnight, with both sides on Saturday reporting more than 100 enemy drones over their respective territories. The attacks comes less than 24 hours after Russian President Vladimir Putin met with U.

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.