Buhari - pictured here in 1977 with the then-King of Sweden Carl XVI Gustaf and Saudi Arabia's Sheikh Ahmed Zaki Yamani in 1977 - began his military career straight out of school. By the time this picture was taken, Buhari had risen to become a regional military commander.

KATSINA, Nigeria - Nigeria's former President Muhammad Buhari was buried on Tuesday in the backyard of his home in northern Katsina state, as residents climbed trees to bid farewell to the 82-year-old.

Former Nigerian President Muhammadu Buhari, who led the country twice as a military head of state and a democratic president, has died aged 82.