But Nigeria refused to bend to Mr Buhari’s will. Almost 500 politicians and businessmen were arrested for corruption and sent to jail by military tribunals. A new currency was issued to flush out the stashes piled floor to ceiling in the homes of the elite. For many military men this purge was too close for comfort—and too uncompromising.

Major General Muhammadu Buhari, who served twice as Nigeria’s president, once in the 1980s as a harsh military dictator and more recently as an unlikely symbol of democracy, has died in London aged 82.

Muhammadu Buhari, the former president of Nigeria who led the country as both a military ruler after a coup and later as the elected president, has died at the age of 82, his family said.