Nigeria, May 25 -- The Nigerian Sports Minister, Solomon Dalung, has accused the International Association of Athletics Federations, IAAF, of 'blackmail' after the body gave Nigeria an ultimatum to refund the money it was paid in error.

The federation said Nigeria was overpaid by $130,000 in 2017 but the country's officials have rebuffed all efforts to get the money back.

Nigeria must now pay back within days or be sanctioned, the IAAF said.

In a letter sent to the president of the AFN, Ibrahim Gusau, and signed by the IAAF Senior Manager, Governance, Jee Isram, the body said the AFN was contacted immediately the anomaly was noticed on March 18, 2017, to refund the sum of $130,000 that was wrongly credited.

"Failure to receive the fun...