Kyiv is working with allies on security guarantees akin to NATO's mutual protection pledge, Ukraine's president Volodymr Zelensky has said. Officials from Ukraine and allies the U.S., the U.K., France and Germany met in London on Thursday in a week when a peace proposal was produced which outlined an Article 5-like agreement which would be backed by Washington.

The Russia-Ukraine peace negotiations appear to be heading toward a crescendo as the U.S. continues to facilitate the discussions between the two countries. Although top U.S. officials, including President Trump,