"We need to locate the PC or laptop from which the message was posted. We also need to ascertain that this person's ID and password were not used by someone else to post the remarks.
"Only after everything is substantiated and we have the necessary proper proof, action will be initiated.”
Shiv Sena spokesperson Rahul Narvekar claimed that his party men are incensed over offensive messages being put on social networking sites, but they are trying their best to deal with such issues in the legal way.