An elderly woman was reportedly beaten to death allegedly by her daughter-in-law at Bamondanga Dakuatari in Sundarganj upazila early Wednesday.
The deceased was identified as Maksuda Begum, 44, wife of Abdul Hamid of the village.
Abdus Sobhan, officer-in-charge of Sundarganj Police Station, said Maksuda picked up a quarrel with his daughter-in-law Sharifa Begum over a trifling matter around 12 am.
At one stage, Sharifa hit Maksuda with a stick, leaving her injured.
She was taken to Rangpur Medical College Hospital where the doctors declared her dead in the dead of night.
On information, police went to the spot and arrested Sharifa in this connection.