Hours after miscreants hurled a petrol bomb near the BJP office in Coimbatore, Tamil Nadu BJP chief K Annamalai said the incident won’t deter the party workers. The incident triggered tension in the locality, but no damage or injuries were reported. The incident came hours after the NIA carried out raids on offices of PFI and residences of its functionaries in several parts of the state, including here. A team of senior officials rushed to the spot and conducted the preliminary inquiry, police said, adding the bottle filled with petrol fell short of the party office building.