Chennai, June 12 -- Tamil Nadu Assembly Speaker J.C.D. Prabhakar on Friday said showcause notices have been issued to four former AIADMK MLAs who joined the ruling Tamilaga Vettri Kazhagam (TVK), seeking an explanation for their actions following complaints from the opposition party.

The move comes weeks after four lawmakers - S Jayakumar (Perundurai), K Maragadham Kumaravel (Madurantakam), Sathya Bama (Dharapuram) and Isakki Subaya (Ambasamudram) - voted in favour of the ruling dispensation during a crucial trust vote on May 13 and subsequently resigned from the Assembly before formally joining the TVK. The four legislators tendered their resignations as MLAs on May 25 and formally joined the TVK in the presence of party seniors, includ...