Security operatives encroaching the home of Nigeria’s former presidential adviser on national security, and keeping him from leaving the country, said on Thursday he is declining to answer questions around a $2bn arms bargain.

The department of state security said it wasn’t unlawfully blocking resigned Colonel Sambo Dasuki in spite of a court request discharging his seized international ID for therapeutic travel.

Relatives said he didn’t leave the nation on Wednesday for a therapeutic registration as a result of a tip-off that he would be captured at the airplane terminal. They said Dasuki told specialists on Thursday that any new charges ought to be recorded in court.

Dasuki denied a state security explanation on Thursday saying he has declined to show up before a board of trustees examining a $2bn arms acquirement. He said he has never gotten such a welcome, as indicated by PR Nigeria, an office that distributes news discharges.

The Federal High Court a month ago discharged Dasuki on safeguard after he argued pure to charges of tax evasion over $423 000 in real money seized from two homes and wrongfully having a weapons reserve that State Security said could jeopardize the West African country.

Dasuki, 60, was a key counselor to former President Goodluck Jonathan and usurped the part of the service of guard in securing weapons. He was called before a Senate advisory group a year ago to clarify a South African seizure of $9.3m in real money traveled to that nation on a private plane and a $5.7m bank exchange that South Africa blocked, saying it included an unlawful arms bargain.