TARN TARAN, Jan. 11 -- A five-year-old boy and his six-year-old cousin sister were found dead in the septic tank of a house in Ghasitpura village that falls under the Goindwal Sahib police station in Punjab.

The incident took place on Wednesday when the victims - Simarjot Singh and his cousin sister Navreet Kaur - reportedly fell into the tank while playing.

Simarjot's father Roop Singh said, "My sister Daljit Kaur who lives in Uttar Pradesh, had come to visit us with her daughter Navreet Kaur. On Wednesday, my son Simarjot and Navreet were playing in the street. When they didn't return, we started searching for them."

"We found my son's slippers at our neighbour's house, where a septic tank was without a lid. Then we spotted my son's ...