A man runs from tear gas fired by police during an anti-slavery demonstration in the main market of Nouakchott

 
A man runs from tear gas fired by police during an anti-slavery demonstration in the main market of Nouakchott
Mauritanian anti-slavery protesters march to demand the liberation of imprisoned abolitionist leader Biram Ould Abeid in Nouakchott, May 26, 2012. Security forces used tear gas to break up the protesters. Slavery still exists in some parts of Mauritania despite a 2007 law banning the practice. REUTERS/Joe Penney (MAURITANIA - Tags: CIVIL UNREST SOCIETY POVERTY POLITICS)