Police recovered the blood-stained bodies of two sisters from a flat in West Shewrapara鈥檚 Shamim Swarani area on Friday night.
The deceased were identified as Mariam, 60, and her sister Sufia, 50.
Mirpur model police station officer-in-charge Sajjadur Rahman said that being informed by local people a police team rushed to the spot at about 8:45pm and found the bodies in the flat on the second-floor a six-storey building.
The bodies were later sent to Shaheed Suhrawardy Medical College Hospital morgue, he said.
鈥業nitially it seems that the victims were killed using a traditional stone grinder and a knife,鈥� OC Sajjad added.
He said that Mariam鈥檚 26-year-old daughter Misti, who lives in the flat and works for a private company, was not at home at the time of the incident.
The building鈥檚 caretaker was held for questioning.