Nigeria's labour minister was sacked last Thursday after being named as a suspect in the highest-profile corruption investigation so far undertaken by the country's three-year-old anti-graft agency. President Olusegun Obasanjo fired Hussaini Akwanga shortly after the Independent Corrupt Practices and Other Related Offences Commission (ICPC) said it was probing allegations that he and six others took bribes from French firm SAGEM (SAGM.PA).