Russia struck a sedate tone on Friday but acknowledged grounds for cautious optimism, after only backing the "idea" of a U.S. brokered 30-day ceasefire with firm caveats.

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.

KYIV (Reuters) - Kyiv has begun examining how to monitor any ceasefire along the frontline of its war with Russia, which runs for over 1,300 km (800 miles), Ukraine's foreign minister said on Friday, as a survey suggested half its citizens oppose ceding land for quick peace.