Cheni, March 7: Hours after a bomb attac on a BJP office, BJP tiol Secretary H. Raja on Wednesday expressed regret for his Facebook page calling for the razing of statues of iconic Dravidian leader E.V. Ramasamy or Periyar in Tamil du. As a fallout of Raja’s comment and the vandalising of Periyar’s statue at Thirupattur in Vellore district late on Tuesday, several Tamil Brahmins were attacked in Triplicane area here on Wednesday morning and their sacred thread were cut by vandals on two wheelers raising pro-Ramasamy slogans.