A 40-year-old woman and her son were hacked to death in Araihajar upazila of Narayanganj on Sunday, police said.
The deceased were identified as Razia Sultana and her son Talha.
On information, police recovered the bodies from their house at Ujan Gobindi village of the upazila in the morning where Razia used to live with her son after her husband’s death.
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Azizul Haque Hawladar, officer-in-charge (OC) of Araihajar police station, said the duo might have been killed by someone they knew on Saturday night.
The bodies were sent to Sadar General Hospital morgue for post-mortem, he added.
The motive behind the killing will be known after an investigation, said the OC.