LAGOS - Nigeria's former President Muhammadu Buhari, who led Africa's most populous country from 2015-23 and was the first Nigerian president to oust an incumbent through the ballot box, died in London on Sunday, a presidential spokesperson said.

Muhammadu Buhari was reported to have travelled to the UK in April for a routine medical check-up but subsequently fell ill Nigeria's President Muhammadu Buhari, who has died age 82 in a London clinic,