Man working at mine
Media playback is unsupported on your device
Video

Many Nigerians 'at risk' of lead poisoning

Some 400 children have been killed and many more are at risk after the world's worst lead poisoning epidemic in northern Nigeria.

The Human Rights Watch has confirmed that despite warnings two years ago, dangerous gold mining in the area is expanding, as attempts to clean up villages have stalled.

The BBC's Mark Lobel reports.

  • 07 Feb 2012
  • From the section Africa