Abubakar Ahmad Sirika, brother to the immediate past Minister of Aviation, Hadi Sirika, has been quizzed by operatives of the Economic and Financial Crimes Commission (EFCC) over an alleged N8.06 billion contract fraud in the Federal Ministry of Aviation. Abubakar who is believed to have been awarded a contract by his brother, the former Minister, was arrested on Sunday, February 4, as part of the ongoing probe of alleged fraudulent practices in the Ministry of Aviation during the tenure of the ex-minister.