The Central Bureau of Investigation (CBI) arrested Karti Chidambaram in a case of corruption from the Chennai airport on his return from London on Wednesday morning. A CBI spokesperson confirmed that Karti, the son of former finance minister and senior Congress leader P Chidambaram, was arrested in what has come to be known as INX Media money-laundering case. The case was registered in May 2017. Karti was put on a Delhi-bound flight and brought to the agency headquarters where the CBI is completing formalities, including a medical test, before producing him before a designated CBI court in the evening.