About 34,000 people flee S.Sudan clashes - UN
About 34,000 southern Sudanese have fled their homes after tribal clashes over land, water and cattle in recent weeks, a U.N. official says
Invest in African farmers to aid world food security ? Annan
Food production in Africa could be substantially expanded if financial backing for research and for small farmers can be improved, former UN chief says
Sudanese protesters take message to air waves
Broadcasts call for anti-government marches like those in neighbouring Egypt and Libya