Nigeria, April 12 -- On Friday, former President Muhammadu Buhari commended Atiku Abubakar for his political activity as he received the former vice president at his Kaduna residence.

Atiku paid a surprise visit to Mr Buhari in the company of three former governors - Nasir El-Rufai, Aminu Tambuwal, and Gabriel Suswam. A former Minister of Communication and Digital Economy, Isa Pantami, and others were also in the entourage.

A video of the visit posted online by various political enthusiasts, including Atiku, captured Mr Buhari exchanging pleasantries with Atiku in Hausa language.

"Salamun alaikum" (an Arabic greeting meaning "peace be upon you." He continued: "You are welcome, well done for the fight."

Mr Buhari went around and shared...