Food is propaganda in this episode of The Food Chain.

In the second part of our two week exploration into the relationship between political power and what we eat, we’re asking how food can be used by authoritarian regimes and extremist groups to influence and persuade.

A food writer will take us on an officially-approved tour of North Korea. And Emily Thomas meets a man who spent ten days living - and eating with fighters from the Islamic State group.

(Photo: Hand reaching out a megaphone. Credit: Getty Images).