New Delhi- The ED on Friday carried out fresh searches against people allegedly linked to Karti Chidambaram, son of senior Congress leader P Chidambaram, in connection with the INX Media money laundering case, officials said. They said the raids were being conducted at three premises in Chennai under provisions of the Prevention of Money Laundering Act-PMLA, the anti-money laundering law. The searches were carried out against people allegedly linked to Karti Chidambaram, they added. The former Union ministers son was questioned for over 10 hours on Thursday in this case in Delhi by the Enforcement Directorate.