Ukrainian

Showman Usyk high-fived his team, bowed to around 50 or so members of the media and sang along to a Ukrainian song.

"The Russian side once again declares its readiness for peace talks without preconditions, aimed at eliminating the root causes of the Ukrainian crisis, and constructive interaction with international partners."

Despite this, Ukraine's top military commander Gen Oleksandr Syrskyi had earlier also warned that North Korean soldiers were posing a significant problem for Ukrainian fighters on the front line.

Reuters says it has also seen a counter-proposals from Europe and Ukraine, which reportedly say the sides will only discuss what happens to occupied Ukrainian territory once a ceasefire has come into effect.

Having swept two-time heavyweight world champion Joshua aside, Dubois now has his sights on felling another of the old guard in the Ukrainian.