Nigeria, Sept. 1 -- The family of the former petroleum minister, Rilwanu Lukman, has denied claims that their late patriarch approved the controversial gas supply processing agreement with Process and Industrial Developments Limited (P&ID) P&ID for personal gain.

Mr Lukman's daughter, Ramatu Lukman, who wrote on behalf of the family, demanded an apology from the attorney-general, Abubakar Malami, who testified before a British court over the botched gas supply contract that resulted in the recent $9.6 billion arbitral award against Nigeria by a UK court.

"It is despicable that you have engaged your witness statements to call into question our father's integrity, years after his passing, on what appears to be only an ill-founded and oppo...