Ex-US Secretary of State Colin Powell dies

Colin Powell, America's first black Secretary of State and youngest ever Chairman of the Joint Chiefs of Staff, has died at the age of 84. We look back at his life and career including the role he played in garnering support for the Iraq war.

We speak to our colleague from BBC Persian who has been been investigating the impact of the pandemic on children in Iran.

And our regular coronavirus expert Dr Eleanor Murray, assistant professor of epidemiology at Boston University School of Public Health, explains today's other coronavirus stories.

Nigerian journalist Ugochi Anyaka-Oluigbo, covering environmental issues in Africa and Europe, joins us to answer audience questions about climate change.

(Photo: Former US Secretary of State Colin Powell speaks during the virtual 2020 Democratic National Convention. Credit: Democratic National Convention/Reuters)