Karti Chidambaram, son of former Union Minister P. Chidambaram, was arrested by a special team of the CBIs Economic Offences Wing soon after his arrival at the Chennai Airport from London early on Wednesday. Confirming his arrest, a CBI official said the team from Delhi interrogated Mr. Karti in connection with the INX Media case and took him into custody. He was taken to an undisclosed location for further questioning.