The court imposed the fines on Praise Ilemona, Pastor Paul Issac Audu and Dr Anongu Moses who jointly instituted the suit praying for an order to halt the May 29 swearing-in of Tinubu as new president.
The three litigants are to jointly pay the president elect N10m and another N5m to the All Progressives Congress (APC) which was part of the seven defendants in the suit.
Justice Omotoso also ordered that an interest of 10 percent be placed on the judgment debt per year until when finally liquidated.
