That marks a shift in tone just over a week after Trump hosted Putin in Alaska for a whirlwind summit aimed at breaking through the three-year stalemate in the Russia-Ukraine war. Trump had initially suggested that back-to-back meetings between the key parties could occur within a matter of days or weeks.

The US president took to social media overnight to say he plans to "immediately" fire Federal Reserve governor Lisa Cook over mortgage fraud allegations Cook says Trump has no authority to remove her,