The deceased were identified as Faizao, and her mother Mousumi Azad, wife of Liton Molla of the village. Faizao was a third grader student of a local school.
Victim’s uncle Khairuzzaman Tito Molla said Mousumi Azad, the mother of the girl poisoned her daughter in the name of medicine over a family feud on October 24. At the same time, she also took the poison.
Family members rushed them to Faridpur Medical College Hospital as they both fell sick. The next day, Mousumi was taken to Dhaka Medical College Hospital (DMCH) as her condition deteriorated and doctors declared her dead at night.
After three days, Faizao was also referred to DMCH where she died on Sunday night around 10:30pm, he added.
Sheikh Sohel Rana, officer-in-charge of Nagarkanda Police Station, said they were investigating the matter although none complained in this connection.