Chandigarh, May 27 -- A six-year-old boy was allegedly sexually assaulted by his teenage neighbour at the child's home in Sector 49 on Saturday afternoon.

After verifying the details, police found grounds for a criminal case and booked the 13-year-old boy under Section 6 (aggravated penetrative sexual assault) of the Protection of Children from Sexual Offences (POCSO) Act.

According to the FIR, the child's mother, aged 25, stated that she had stepped downstairs around 2 pm to hand a helmet to her husband, leaving her two sons at home with her mother-in-law.

The elder son, who studies in Class 1, was watching television with their neighbour's son in a room.

"When I came back upstairs, I saw the neighbour's boy had taken my elder son to...