Agartala, July 27 -- Police in Kailashahar of Tripura's Unakoti district have initiated an investigation against a 70-year-old man and his married son for allegedly sexually assaulting a 26-year-old woman with mental challenges, leading to her pregnancy.

The accused were named as Kanta Das (70) and his son Gautam Das.

According to the allegation, the victim, who is a divorced mother of a seven-year-old, had been living at her father's home in the Bhagaban village of Kailashahar. The complaint indicated that Kanta Das, taking advantage of his position as a trusted neighbour, enticed the woman to his residence, where the first assault took place early this year.

Afterward, his son also subjected the woman to repeated acts of abuse. It is r...