Telugu Desam Party (TDP) leader N Chandrababu Naidu on Thursday said that he is feeling very sorry about the incident, in which seven of his party workers lost their lives after a scuffle broke out in Nellore district. Speaking to media persons, Naidu said, “This is a sad incident. I'm feeling very sorry about it.” As many as seven TDP workers lost their lives after a scuffle broke out between party workers during a public meeting being held by party.