How should MK deal with Vaiko after his speech about Tamil Eelam Issue

What should be M Karunanidhi's Strategy after Vaiko's recent speech about Tamil Eelam Issue.

There are 3 options in front of MK.

1. Arrest Vaiko under NSA
2. Ignore him
3. File a complaint but don't arrest

If MK has to maximize his chances in Tamilnadu in the Lok Sabha Election 2009, what should he do?

1. If Vaiko is arrested, it can make Vaiko a war-hero. He'll become bigger than what he is now. He'll become a victim rather than a culprit in the eyes of Tamilnadu Voters. This can actually accelerate the turn in tide against MK and worsen his position in the LS Polls.

2. If Vaiko is ignored, he'll make couple more speeches on this issue and try to make use of this for political gains. But this can be interpreted as incapability on the state government to maintain law and order. Again not positive at all for MK, but definitely better than Option 1

3. File a complaint against Vaiko but don't arrest him. This will show that the state doesn't want these speeches but it doesn't want Vaiko to use the arrest to his advantage. Afterall, DMK doesn't want to convert Vaiko into another Varun Gandhi.