Good morning, I'm Thomas Morgan from the ABC's breaking news team. Overnight, Vladimir Putin backed the "idea" of a ceasefire with Ukraine, but an under-pressure Volodymyr Zelenskyy will believe it when he sees it.

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Ukraine war: Vladimir Putin has declared he supports the idea of a ceasefire, especially if it leads to a "lasting peace". But he says that can only come after negotiations with the US and Ukraine, and only if the "root causes" of Russia's invasion can be removed.

More to come: US envoy Steve Witkoff is set to meet Mr Putin in coming hours. Donald Trump says he wants Mr Putin to "do the right thing".

It took Mr Putin more than a day to respond to the US proposal for a 30-day ceasefire, which Ukraine supports. Volodymyr Zelenskyy says Moscow wants to "prolong the war", as Kyiv's forces continue ceding ground on the frontline.

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