A Turkana warrior stands with his gun watching cattle approaching his settlement to protect cattle from Nyangatom warriors in Ilemi Triangle, Kenya, July 23, 2019. In the Turkana community where I was staying, the danger was real. REUTERS/Goran Tomasevic

A Turkana warrior holds a gun as he protects cattle from Nyangatom warriors in Ilemi Triangle, Kenya, July 22, 2019. A series of deadly clashes between the Turkana community and other ethnic groups that they said had crossed from South Sudan have put people on edge, to the point of posting lookouts. REUTERS/Goran Tomasevic

A Turkana warrior poses for a photograph as he holds a skull of a Nyangatom warrior, who, according to Turkana warriors, was killed when he and other Nyangatom warriors attacked a group of Turkana people to take their cattle in Ilemi Triangle, Kenya, July 16, 2019. REUTERS/Goran Tomasevic

Turkana warriors react after finding out that Nyangatom warriors are around their settlement in Ilemi Triangle, Kenya, July 17, 2019. The Ilemi Triangle, a disputed sliver of land along the border with Ethiopia and South Sudan, is the northernmost tip of Turkana, Kenya's poorest county. REUTERS/Goran Tomasevic

A Turkana warrior arrives with cattle to a settlement in Ilemi Triangle, Kenya, July 20, 2019. REUTERS/Goran Tomasevic

Turkana warriors react after finding out that Nyangatom warriors are around their settlement in Ilemi Triangle, Kenya, July 17, 2019. REUTERS/Goran Tomasevic