Nairobi, May 5 -- Kenya's president arrived in Dar es Salaam on Monday, May 4, for a state visit intended to improve relations with neighbouring Tanzania. However, he probably did not expect to be reprimanded.

At a business forum, the Tanzanian president, Samia Suluhu Hassan, said that Ruto had arrived late.

At a joint press conference, Samia revealed that she had reprimanded her Kenyan counterpart for announcing plans for the Tanga refinery without consulting her first.

She said that she had no knowledge of the joint Tanga Oil Refinery that President Ruto had announced two weeks earlier at an infrastructure forum in Nairobi.

The dispute arose from a speech that President Ruto made at the opening of the Africa Infrastructure Summit, w...