In a ghastly incident, unidentified persons threw acid on the face of a woman constable in Vellore district. The victim Lavanya returning home from a police station in Tiruppattur town after completing her duties when the incident took place. Immediately, police rushed her to CMC Hospital in Vellore for medical treatment. Vellore SP Pagalavan visited the hospital and consoled the victim. The police registered a case based on the complaint of the victim. The SP formed special teams to nab the accused.