Volodymyr Zelensky

The BBC's analysis editor looks at what has been agreed in the much-anticipated agreement.

The deal sets up an investment fund to search for minerals, and set outs how revenues would be split.

The White House has been pushing for the agreement as a prerequisite for further military assistance.

It is a "very critical" week for the White House and its involvement, Secretary of State Marco Rubio tells US media.

Ukraine denies Russian claims it has been forced out of the border region.

The US president says he fears the Russian leader is "tapping me along" given Moscow's strikes on Kyiv earlier this week.