Authorities in Kenya say at least 39 people -- 30 villagers and nine attackers -- have been killed in fresh clashes between two rival ethnic groups in the southeastern Tana River region.
Tana River Violence

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Children injured during an attack in their village in Tana River district receive treatment inside a ward at the Malindi district hospital December 21, 2012.

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An injured woman is treated at the district hospital in Malindi Friday, Dec. 21, 2012, following tribal clashes in Kipao village in the Tana River Delta.

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A villager armed with a spear walks past Kenyan police sent to keep order following tribal clashes in Kipao village in the Tana River Delta region of southeastern Kenya.

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A villager walks away armed with a spear after viewing the bodies of suspected attackers from the Pokomo tribe, not pictured, following tribal clashes in Kipao village in the Tana River Delta region.