Mark Galeotti bring us the latest from the tortured talks between Russia, Ukraine and the US after a devastating attack on the city of Sumy. Plus: Xi Jinping’s charm offensive and how European carmakers are adapting to a new world of tariffs.

The Iran war: Does diplomacy have any chance of succeeding?
58:56

Iran’s new Ayatollah vows vengeance upon the US
58:54

Iran war prompts record release of strategic oil reserves
58:57