Police registered a case of murder in connection with the incident and apprehended two juveniles.
The deceased, Rajat Menon, class IX student at a private school, had left home around 6 PM yesterday and did not return.
Later it emerged that he had a fight with two teenagers, both sons of a local paan shop owner, a senior police official said.
During investigation, the police came across a CCTV grab in which they could spot Rajat and two of his friends on a scooter. They were approached by two men and one of them could be seen hitting Rajat twice.
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In another CCTV grab which emerged later, police found the two teenagers rushing Rajat to a hospital.
Menon was found dead nearly 500 metres away from his apartment in phase 3 of Mayur Vihar. However, there were no external injuries on his body.
When locals raised an alarm, the two minors with whom Menon had a fight, rushed there and took him to a hospital in a motorbike. Menon was declared brought dead by doctors there but the cause of death is yet to be ascertained, the official said.
He further said, during investigation it came to light that Menon and his friends were heading towards a snooker parlour when the two juveniles waylaid them. They entered into an altercation, which later turned to a scuffle.