Special report: Revisiting the cobalt-mining boys

Sky News has returned to the Democratic Republic of the Congo to try to find two young boys we met previously, who were working in one of the country's many cobalt mines. A charity has offered to educate and care for them. More than half the world's supply of cobalt is in the DRC. It's used extensively in smartphones. Multinational corporations have promised to improve conditions for child miners - but as Sky's special correspondent Alex Crawford found out - there's little evidence of that in the former Katanga Province. View the original report:    • Special report : Inside the Congo cobalt m...   SUBSCRIBE to our YouTube channel for more videos:    / skynews   Follow us on Twitter:   / skynews   and   / skynewsbreak   Like us on Facebook:   / skynews   For more content go to http://news.sky.com and download our apps: iPad https://itunes.apple.com/gb/app/Sky-N... iPhone https://itunes.apple.com/gb/app/sky-n... Android https://play.google.com/store/apps/de...