Nigeria, Oct. 16 -- Former Minister of Aviation Hadi Sirika awarded "questionable" contracts to his family members and a friend during his tenure in office, an investigator told a court in Abuja on Thursday.

Christopher Odofin, a detective with the Economic and Financial Crimes Commission (EFCC) appearing as a prosecution witness in Mr Sirika's corruption trial, said this while fielding cross-examination questions from defence counsel Kanu Agabi.

He listed the irregularities characterising the contracts to include imposition of contractors on the ministry and a breach of the then-minister's approval thresholds.

Holding a contract document handed to him by Mr Agabi, a Senior Advocate of Nigeria, Mr Odofin described the contract award as...