The announcement is likely to stoke political tensions after at least 50 people died last week in the capital Kinshasa.
Amnesty said cobalt used in lithium-ion batteries for electric vehicles, phones and laptops could come from mines in DRC that use child labour.
The unrest in the Democratic Republic of Congo started on Monday after its election commission decided to try to postpone the next presidential vote.
The mine that produced the uranium that made the Hiroshima bomb has since been closed. But its troubling legacy continues to haunt the DRC.
Kabila takes out a rival: DR Congo political crisis escalates with arrest warrant for presidential hopeful Katumbi
The crackdown on Katumbi mirrors repression by other leaders in the region like in Burundi and Uganda
After a lengthy trial which opened in November 2010, the judges in March found Bemba guilty of five charges of war crimes and crimes against humanity
Zuma saga: at its worst, South African democracy beats some African states when they are at their best
There were important lessons for Africa as strong institutions won out over a strong man
Every year, 390,000 people pour into Kinshasa to escape war and poverty, but also to study or to follow a dream - the equivalent of a mid-sized city
The politics of Koffi Olomide, music superstar who leaves cheers and tears in his wake, and tells of a different Congo
A concert in Nairobi leaves fans breathless; his was the sound of a new day in Africa, a wonderful combination of the authentic and the rebellious
The Tanzanians were meeting Uganda’s Allied Democratic Front militants who are based in eastern DR Congo
Sources close to Etienne Tshisekedi's family say making the video was a difficult process and took almost four days.
“...they forced us to have abortions...kicked our stomachs to kill the foetuses. One wanted to cut my stomach open to check the foetus was dead"
“When you pay tax, you’re paying rent, and when you pay rent, the landlord doesn’t kick you out” - Randgold’s CEO.
Congo, Africa’s biggest producer of the copper, loses about 50,000 tons a year due to inadequate power supply.
Government spokesman says call by leader's allies shows they have sided with the opposition hence their removal from the presidential majority.
Intervention by leader’s allies raises the stakes ahead of planned demonstrations by the opposition who say election plan allows him to stay in power.
Breaking with Africa's power grab club, Central African Republic limits president to two terms under new law
The CAR becomes one of a handful of African nations that have adopted or respected term limits. In Rwanda, Burundi, Congo, they are being overturned.
Two American citizens owed are owed the money after a 2007 court ruling.
UPDATED: Grenade blasts Burundi capital on eve of presidential vote after 100 die in protests; Nkurunziza dares the devil
Independent media has been shut down and many opponents have fled -- joining an exodus of over 150,000 ordinary Burundians.