Nigeria, July 15 -- A new video shared late Sunday by former Minister of Communications and Digital Economy, Isa Pantami, shows the late former President Muhammadu Buhari explaining why he joined the army immediately after leaving secondary school.

In the video, Mr Buhari says he often laughed whenever he remembered the circumstances, breaking into guffaws several times as he shared his recollections in Hausa with Mr Pantami, who inquired about his military life.

Mr Pantami said the interview is one of the most recent unpublished private ones he conducted with the late former president.

Mr Buhari died on Sunday at a London hospital, where he had been receiving treatment since April. He was 82.

"After I completed nine years of primary ...