COP27 climate summit set for Sunday

A day before the UN climate summit opens in Egypt, the US envoy - John Kerry - has appealed for help for developing countries to reduce their dependence on fossil fuels.

The southern Ukrainian city of Kherson was the biggest prize seized by Russia in the first month after its invasion at the end of February. Now there are suggestions that Russia might be about to give up at least part of Kherson as it prepares defensive lines for the winter.

Also, we introduce you to one of the most successful tribute performers working in the United Kingdom - Tom Cridland has toured the world paying tribute to the music of Elton John.

Joining Julian Worricker to discuss these and other issues are Leslie Vinjamuri, Director of the US and the Americas programme at the Chatham House international affairs think tank here in London and also a lecturer in international relations at London University's School of Oriental and African Studies; and Maher Mezahi, a Canadian-Algerian journalist who's usually based in Algiers and who specialises in covering football.

(Image: John Kerry, US Special Presidential Envoy for Climate. Credit: Horacio Villalobos#Corbis/Corbis via Getty Images)