A physical education teacher at a private school in Arumbakkam was arrested after he allegedly sent obscene and harassing messages to a Class 11 student through Instagram.According to police, he had allegedly been contacting the student through Instagram and sending inappropriate messages repeatedly. The student eventually informed her mother about the messages. She went to the school, confronted Moorthy and warned him against contacting her daughter.However, the teacher allegedly continued to message the student even after the warning. Following this, the mother approached the All-Women Police Station, Arumbakkam and filed a complaint. On investigation and verification, the police confirmed that the teacher had repeatedly harassed the girl through Instagram. Published - September 11, 2026 12:43 am IST