Military officials from Ukraine, Russia and the US made incremental but significant progress in Geneva on how a ceasefire would function, a source told CNN.

Military officials from Ukraine, Russia and the US made incremental but significant progress in Geneva on how a ceasefire would function, a source told CNN. Talks focused on key terms, practical conditions and what would constitute violations, with final sign off still pending. Zelensky said political outcomes were insufficient, while Russia called the talks difficult but businesslike.