Kenyan President William Ruto said his government and neighboring Uganda’s are in talks with Africa’s richest man, Aliko Dangote, to build a crude oil refinery in Tanzania. Dangote said that the refinery would be "built within the next four or five years" if all sides agree on the project. Ruto and Dangote made the comments during a panel discussion at the We Build Africa Summit in Nairobi, moderated by Bloomberg's Jennifer Zabasajja.