Four members of the same family were found dead with their throats slit in Niamatpur upazila of Naogaon district.
The incident occurred on Monday night in Bahadurpur village under Bahadurpur Union, sparking shock and concern in the area.
The deceased were identified as Habibur Rahman , 32,his wife Popy Sultana, 25, their son Parvez, 9, and daughter Sadiya Akter, 3.
According to locals and police, Habibur Rahman went to sleep with his family after dinner on Monday night.
On Tuesday morning, a neighbour noticed the door of their house open and found the bodies inside all with their throats slit.
Her screams alerted villagers who then informed police.
Police reached the scene around 9:00 PM and recovered the bodies.
Locals said the killings might have been linked to a long-standing land dispute although police have not confirmed the motive.
Niamatpur Police Station officer-in-charge (OC) Mahbubur Rahman confirmed the incident and said that the bodies would be sent to Naogaon 250-bed General Hospital for autopsy.
He said the incident is being investigated with high priority and legal action is underway.
TH/SH