Ukraine's President is ready to sign the US deal for a ceasefire only hours after America's decision to pause military aid to the war torn nation. 

Volodymyr Zelenskyy says his fiery meeting with Donald Trump at the White House was "regrettable". 

He's ready to work with Trump to sign a minerals deal and reach a peace deal. 

Former chief of staff to Marco Rubio —who is now the US Secretary of State— Matt Terrill told Andrew Dickens reaching a peace deal was a huge part of Trump's campaign. 

He says this administration is standing by the deal because they believe in its economic and security guarantees. 

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