The US has called on Sudan and South Sudan to end their dispute over oil transit fees.
Sudan has released four oil tankers that belongs to the south as a gesture of goodwill.
But the government of South Sudan, which halted its oil production in protest over Khartoum allegedly stealing its fuel, says it will not start pumping again until a list of demands are met.
Anna Cavell reports from Juba, South Sudan's capital.
Source: Al Jazeera