Children as young as seven mining cobalt used in smartphones, says Amnesty

Amnesty International says it has traced cobalt used in batteries for household brands to mines in DRC, where children work in life-threatening conditions

Children as young as seven are working in perilous conditions in the Democratic Republic of the Congo to mine cobalt that ends up in smartphones, cars and computers sold to millions across the world, by household brands including Apple, Microsoft and Vodafone, according to a new investigation by Amnesty International.

The human rights group claims to have traced cobalt used in lithium batteries sold to 16 multinational brands to mines where young children and adults are being paid a dollar a day, working in life-threatening conditions and subjected to violence, extortion and intimidation.