The Economic and Financial Crimes Commission, EFCC, has arrested Ifeanyi Okowa, Peoples Gazette heard on Monday.
Officials said that the former Delta governor was taken into custody at the Port-Harcourt division of the anti-graft office.
According to TheGazette, the spokesman of the Anti-graft commission, Dele Oyewole has confirmed the detention of the politician.
Mr Okowa, vice-presidential candidate to former vice-president Atiku Abubakar on the platform of the main opposition Peoples Democratic Party in the 2023 general elections, was said to have used his office as governor to loot and acquire assets up to N1.3 trillion.
Some of the assets included massive shares in UTM Floating Liquefied Natural Gas Company, among other investments in the oil sector.
It was unclear whether or not Mr Okowa had contacted his lawyer.