New Delhi: A 79-year-old man was arrested in Pune for allegedly sexually assaulting his 12-year-old granddaughter, police said.

The girl, a class VI student, was living with her maternal aunt and uncle in Pune after she lost her parents and her grandfather, a native of Ahmednagar district, often used to visit her.

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The incident came to light when the victim narrated her ordeal of sexual assaults to a teacher at a private tuition class. The teacher immediately approached the child helpline.

The girl in her complaint said that her grandfather sexually assaulted her whenever he visited her and when she complained about it to her aunt and uncle, both of them did not pay any attention.

After the complaint, police arrested the man under Protection of Children from Sexual Offences (POCSO). A separate case was filed against the aunt and uncle of the victim in the same case.