Hungary's Viktor Orban has no peace plan of his own, but he has spent the past two weeks on a whistle-stop tour of Kyiv, Moscow, Azerbaijan, Beijing, Washington and even Mar-a-Lago, on a one-man mission that has infuriated leaders in the EU and US.

"Peace will not come by itself in the Russia-Ukraine war, someone has to make it," he proclaims in videos posted daily on his Facebook page.

He has been bitterly attacked by both Brussels and Washington for breaking EU and Nato unity and cosying up to Vladimir Putin and China’s leader Xi Jinping.

Few argue with his central premise, that there can be no peace without peacemakers. But his close economic relationship with Russia’s president leaves him open to the charge of acting as Mr Putin’s puppet.