Pokomos are largely farmers while the semi-nomadic Orma tribesmen mostly tend to livestock.

CNN: Renewed violence kills 19 in southeast Kenya

Traditionally the Orma are pastoralists, Bajun and Swahili are fishermen and farmers, the Sanye and Aweer are hunters and gatherers.

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The most recent clashes began last week when the Orma, a community of semi-nomadic herders, invaded farms belonging to the Pokomo.

CNN: 52 killed in Kenya territory clash, officials say

Settled Pokomo farmers and semi-nomadic Orma pastoralists have clashed intermittently for years over access to grazing, farmland and water in the coastal region.

BBC: Kenya: Tana River clashes leave dozens dead

In August, the two communities clashed after members of the Orma community were accused of grazing their cattle on land that the Pokomo say is theirs.

BBC: Kenya: Tana River clashes leave dozens dead

Stephanie Orma is a San Francisco-based travel and design writer.

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The farmers also captured 200 cattle belonging to the Orma.

CNN: 52 killed in Kenya territory clash, officials say

The death toll from communal fighting over land and water in the past three weeks between the pastoral Orma and the agrarian Pokomo tribes along the Tana river in Kenya rose to at least 112.

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