Bhubaneswar: A 7-year-old girl student of a government-run school in Bhubaneswar was found dead inside a water fountain on a police reserve ground near her campus Wednesday evening, police said. The mentally challenged girl studied at the Demonstration Multipurpose (DM) School of the Regional Institute of Education. While checking CCTV camera footage, police found that the girl left the school campus before closing time and was seen roaming alone near the police lines, he said. The girl alone came out of the school and campus and no one stopped her. She crossed three traffic posts and entered the police reserve campus and the incident happened, he alleged.