President Bola Ahmed Tinubu has announced the passing of his predecessor, President Muhammadu Buhari.President Buhari died today in London at about 4.30 pm, following a prolonged illness, Mr Bayo Onanuga, the President’s Spokesman, said in a statement.”President Tinubu has spoken with Mrs Aishat Buhari, the former President’s widow and offered his deep condolences.”President Tinubu has also ordered Vice President Kashim Shettima to proceed to the United Kingdom to accompany President Muhammadu Buhari’s body back to Nigeria,” said the statement.Former President Buhari was twice elected Nigeria’s President in 2015 and 2019.He also served as military head of state between January 1984 and August 1985.President Tinubu has ordered flags at half-staff as a mark of respect for the departed leader.