When Biafra was proclaimed on May 30,1967 Banjo was pardoned by President Odumegwu Ojukwu and made Colonel due to his involvement in a 1966 coup.
When Biafra was proclaimed on May 30,1967 Banjo was released from an Eastern Nigerian prison by President Odumegwu Ojukwu and made Colonel. His imprisonment was without trial, due to his alleged involvement in a 1966 coup.