From Yahoo News/Reuters:KHARTOUM (Reuters) – Armed tribesmen attacked barges carrying U.N. food aid in south Sudan, leaving an unknown number of casualties in the latest in an outbreak of ethnic violence, officials said on Saturday.
Members of the Jikany Nuer tribe attacked 27 boats as they were carrying tonnes of food toward an area controlled by a rival ethnic group down the Sobat river on Friday afternoon, said the U.N.'s World Food Programme.
The remote region has seen a surge in ethnic fighting in recent months, fueled by traditional disputes over cattle and a ready supply of guns after more than two decades of civil war.
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Update: South Sudan gunmen attack UN food aid shipments -- AFP
Update #2: Promise and peril in Sudan -- Economist
My Comment: The evil of tribalism is once again being felt in this part of Africa. The article from the Economist is a must read.