Babachir Lawal, former Secretary to the Government of the Federation (SGF) was on Monday detained by the Economic and Financial Crimes Commission (EFCC).
The former SGF is expected to be arraigned on Tuesday.
The commission had filed a 10-count charge against the former SGF and five others.
Others are, Hamidu David Lawal; Sulaiman Abubakar; Apeh John Monday; Rholavision Engineering Limited and Josmon Technologies Limited.
All the suspects will face trial in the High Court of the Federal Capital Territory (FCT), Abuja, for alleged N544, 119, 925.36 for the removal of Invasive plant species and simplified irrigation.
But ahead of the arraignment, the former SGF was taken into custody yesterday day.
A source familiar with the investigation told a national publication, “We have detained the former SGF and some suspects in preparation of their arraignment in court on Tuesday.
“They have been served charges and their trial will commence. The EFCC team is ready for the prosecution of the suspects with its witnesses ready accordingly.”
On the charge sheet dated January 30, and filed by Offem Uket, M. S. Abubakar and Abba Muhammed, the EFCC accused Lawal of holding “indirectly a private interest in the contract awarded to Rholavision Engineering Limited and Josmon Technologies Ltd by the Office of the Secretary to the Government of the Federation (OSGF) through the Presidential Initiative for North East (PINE).