'One pound fish' perches on top of UK chart

Global fish prices have risen to record levels due to overfishing of much of the world's oceans. Many people are searching desperately for affordable fish - and now, one man may have the solution. Pakistani fishmonger Mohamed Shahid Nazir has hit the big time while selling his super-cheap fish in East London, and is hoping for a Christmas number one hit in the UK. He spoke to Al Jazeera's David Foster.