Mali coup 'contagious' in region says chair of Ecowas

The president of Ghana has warned that West Africa is in great danger as a result of recent coups in the region. A 20-year study on the use of treated mosquito bed nets in Tanzania has found that children who sleep under them at an early age are more likely to survive into adulthood.There are concerns over the possible environmental impact of an explosion on an oil production vessel off the coast of Nigeria.