The leaders of the 27 EU nations meet in Brussels, Belgrade braces for anti-corruption protests, New Zealand at the Nato summit and public voting in Switzerland. Plus: theatre news and ‘What We Learned’.

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