Remarks against Karunanidhi and Kanimozhi case: The Tamil Nadu Police on Monday arrested BJP's Villupuram South District Vice President for allegedly making derogatory remarks against former Tamil Nadu Chief Minister late M. Karunanidhi and his daughter and Thoothukudi MP Kanimozhi Karunanidhi. VAT Kalivardhan was arrested from his residence this morning. A case was registered under several sections.