An expectant mother reportedly committed suicide after killing her minor daughter at Shikarpur village in Sharsha upazila on Sunday.
The deceased were identified as Julekha Khatun, 24, seven months pregnant wife of Al Mamum, and their four-year-old daughter Amena.Family members informed police after found their bodies in the bedroom.
Locals said the victim had a dispute with her neighbour Juli Begum over a gold ornament on Saturday.
The victim hanged herself after strangulating her daughter to death after being unable to bear the humiliation, they claimed.
Assistant Superintendent of Police (ASP) Jewel Imran said the bodies were sent to Sadar Hospital for autopsy.
Juli Begum and her mother were detained for interrogation over the incident, he said.