One of the world's most disgusting foods?

Surströmming, or fermented herring, is a national tradition in Sweden, but it can be hard to stomach. Al Pitcher, a comedian who grew up in New Zealand but now lives in Sweden, tells Graihagh Jackson what happened at his first, and last, taste of the delicacy.

(Picture: A close-up of herring out of a surstromming can. Credit: Getty Images)