Colombo: Former Sri Lanka President Mahinda Rajapakse's son was arrested on Monday over financial fraud. Namal Rajapakse was arrested by the Financial Crimes Investigations Division over fraud, and was questioned for hours, Xinhua news agency reported. He was alleged to have recorded a statement over the misplacement of funds amounting $480,000 during the previous government. The former first family were under a probe over allegations of fraud and corruption that had taken place in the Rajapakse government. Mahinda Rajapakse was ousted out of power in the presidential poll in January 2015.