KYIV/WASHINGTON/OSLO - Ukrainian President Volodymyr Zelensky announced Monday that Ukrainian and US teams will meet this week to explore the possibility of peace negotiations between Kyiv and Moscow.

Speaking at a press conference here alongside Norwegian Prime Minister Jonas Gahr Store, Zelensky said he will discuss the matter with US Special Envoy Keith Kellogg later in the day.

"It seems to me that we will have a basic plan for security guarantees. I think that the details still require time. More work needs to be done. After that, I would like to understand from the American side whether the Russians are ready (for a meeting)," Zelensky said.

Earlier this month, US President Donald Trump said that he had begun arranging a meeting between Zelensky and Russian President Vladimir Putin.

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Meanwhile, Store proposed maintaining its extraordinary support to Ukraine at the current level next year, pledging an allocation of 85 billion Norwegian kroner ($8.4 billion) in military and civilian assistance.

He announced the proposal during a meeting with Zelensky in Kyiv, the Norwegian government said in a press release.

Store said the proposal aims to promote peace and stability in Ukraine. 

Trump's phone call with Putin

On Monday, Trump told reporters that he had a phone call with Putin after his Aug 18 meetings with Zelensky and several European leaders in Washington.

He noted that security guarantees for Ukraine have not yet been finalized, suggesting Europe would take the lead while the US would provide "backup".

"We have not even discussed the specifics of it," Trump said. "Europe is going to give them significant security guarantees, and they should, because they are right there, but we will be involved from the standpoint of backup to help them."

READ MORE: ‘Up to Zelensky’ to strike a deal, Trump says after summit with Putin

Trump also revealed that during his Aug 15 meeting with Putin in the US state of Alaska, the two leaders discussed reducing their countries' nuclear arsenals once the Ukraine crisis ends.