Four people have died and nine more have been injured in ethnic unrest sparked by a shortage of water in Angola’s southern Huila province, according to humanitarian workers and media reports. A severe lack of rainfall in an area straddling Huila, Cunene and Namibe provinces in the southwest, which is home to thousands of nomadic cattle farmers and their 1.5 million head of cattle, has ignited tension in the area. Humanitarian workers told IRIN that life for these traditional farmers had worsened substantially over the past five years as big farmers claimed stretches of communal land for their own paddocks. Full Story