It comes as 2,500 UK troops take part in Nato's largest exercise this year near Ukraine's border.

The UK 'would be expected to play a major role' if a peacekeeping force is sent to enforce ceasefire with Russia

However, the US factor plays a significant role in shaping these opinions,” he said, adding that that Erdogan supports Ukraine's future membership in the alliance. “If (Ukraine's accession to) NATO is not an option,

The U.K. signaled willingness to put boots on the ground in Ukraine as part of a future peace agreement with Russia.

Russia on Tuesday opposed the presence of troops from North Atlantic Treaty Organization, NATO countries in Ukraine. Russian Foreign Minister Sergey Lavrov dismissed the idea that NATO member forces could act as peacekeepers under any ceasefire agreement,