Image copyright AFP/Getty Image caption DR Congo produces more than 60% of the world's cobalt

The Democratic Republic of Congo has moved to increase taxes on mining firms and increase government royalties from the industry despite fierce opposition from international mining companies. Glencore, Randgold and China Molybdenum all operate mines in Congo, Africa’s top copper and cobalt producer, and have said the changes in the code adopted by parliament in January would scare off new investment and violate existing agreements.
Congolese President Joseph Kabila signs a law that increases taxes on mining and government royalties on international mining companies working in DR Congo, including on the mining of cobalt, despite the opposition from foreign companies.