Sudan's gold rush driven by high-risk, unregulated mining

Sudan is experiencing a gold rush and is now the second-largest producer of gold in Africa and the ninth in the world. But production is driven by unregulated, artisanal (individual subsistence) mining: more than 1.5 million men who put their lives at risk to dig for and extract the precious metal. And much to their dismay, the government in Khartoum is pushing to attract foreign investors and introduce more industrialised methods. Our correspondent reports.