Hello and welcome to News Hour live from the BBC World Service in London.

I'm Rebecca Kessby.

Today the setting was Bergen stock at Lake Lucerne.

Ukrainian President Vladimir Zelensky

has temporarily swapped the battlefield for the luxury Swiss resort

to host a summit with the aim of discussing the principles for ending the conflict in Ukraine.

He was still dressed in his trademark military fatigues though.

Leaders from the G7 states are there. Some 90 other countries and global

institutions are also represented. Russia though, whose invasion began the war is not

represented. Addressing the summit Mr Zelensky said it was time to end

this war.

Ukraine never wanted this war. It's a criminal and absolutely unprovoked aggression of Russia,

and the only one who wanted it was Putin.

But in any case, the world is stronger.

That is why the peace formula was born, the formula of unity of the world majority,

for the sake of peace, for the sake of the full effectiveness of the

principles and purposes of the UN Charter, international law and thus global

security. This is something that is close to every nation in the world.

Mr. Zelensky received full support from the US Vice President Kamala Harris who told delegates that Russian

aggression was an attack on the principles of the UN Charter.

Failure to act, she warned, would only embolden other aggressors. The president of the

European Commission Ursula von der Leyen echoed similar sentiments.

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