In Chennai, the Koodankulam Anti Nuclear Protestors and others including leaders from various political parties like the MDMK, Viduthalali Chiruthaigal Katchi, Tamilnadu Muslim Munnetra Kazhagam and other organisations were arrested today and later released . As the protestors had earlier announced a siege to the Secretariat, more than 2000 police personnel were deployed to maintain law and order in the city. Earlier today a large number of people protesting against the Koodankulam Nuclear Power plant had taken part at a protest meet at the Raja rathinam stadium in Chennai. They voiced out their demands including closure of the Koodankulam Nuclear Power Plant. Security was tightened in and around Chennai and all roads leading to the city were blocked for the protestors to prevent entery of people in the city.