27 January 2012 Updated at 06:06 ET
Sudan and South Sudan leaders bid to defuse oil dispute
South Sudan is an oil rich country but still has to use refineries and pipelines in Sudan
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Heading for war?
Forced to choose between Sudans
Garang's ex-chef savours freedom
The presidents of Sudan and South Sudan are meeting in the Ethiopian capital Addis Ababa to discuss a deepening crisis over sharing their oil wealth
link-
http://www.bbc.co.uk/news/world-africa-16754352