New Delhi, Jan 24 (ANI): DMK chief M Karunanidhi on Friday expelled his son and Former Union Minister M K Alagiri from all posts of the party. In a statement issued by the DMK, the party said that action against Alagiri has been taken for going against the party stand and for giving out statements contrary to party in the public domain. Karunanidhi had earlier issued a veiled warning to Alagiri after his interview to a Tamil channel against his younger brother MK Stalin, indicating that he could face action if did not toe the party line.