evidence: South Sudan and Kenya have a portion of their border, it is reported, largely undetermined at the Ilemi (also called Elemi) Triangle, a sparsely populated area of about 14,000 square kilometres. The Ilemi Triangle region is at the north-western corner of Lake Turkana, in northern Kenya and on the fringe of southern South Sudan. It is believed to be rich in oil. [...] According to Kenyan media reports, the name Ilemi is believed to be from a famous chief of the Anuak, a community on South Sudan's boundary with Ethiopia. The triangle was named in honour of chief Ilemi Akwon.