Mr Lawan has said he accepted the money in order to expose blackmail and informed the committee and the anti-corruption agency, the Economic and Financial Crimes Commission (EFCC), about it.

BBC: Nigerian Farouk Lawan charged over $3m fuel scam 'bribe'

Economic and Financial Crimes Commission (EFCC) spokesman Femi Babafemi told the BBC that the four - Mr Lulu, Bolaji Ojo-Oba, Taiwo Ogunjobi and Amanze Uchegbulam - would face a number of charges.

BBC: Nigeria arrests ex-NFF officials over World Cup money