The Karimedu Traffic Investigation Wing police are investigating into an accident in which a two-wheeler belonged to a sub-inspector of police from Dindigul was involved. Police said that when Murugan of Usilampatti was driving his car on the Ellis Nagar stretch, three persons riding a two-wheeler had collided against the car. Following a complaint, the traffic police discreetly probed. As the two-wheeler had a sticker of “Police” inquiries suggested it was in the name of a sub-inspector of police from Dindigul. Further investigation is on.