Donald Trump's special envoy, Steve Witkoff, says Vladimir Putin has agreed to 'robust' security guarantees for Ukraine. The Ukrainian president, Volodymyr Zelensky, has welcomed the US offer - we'll get more details about what was discussed at the summit in Alaska.

Also in the programme: the robots that imitate athletes; and we look back on the life of the English actor Terence Stamp, who has died aged 87.

(Photo: Ukrainian President Volodymyr Zelensky speaks during a press conference in Brussels; 17 August 2025. Credit: OLIVIER HOSLET/EPA/Shutterstock)