Migrants return home from Libya

Many migrants who left their countries for Libya have returned home after fleeing the conflict there.

Violence has been meted out in Libya to people accused of being mercenaries working for ex-leader Muammar Gaddafi.

The desert town of Agadez in Northern Niger has been the last stop for sub-Saharan Africans making their way to the promise of a better life, but now sees many passing back the other way.

Thomas Fessy reports.