UNB, Sylhet :A pregnant woman was stabbed to death allegedly by her husband at Dighli village in Bishwanath upazila on Friday morning.The deceased was identified as Halima Begum Helena, 22, wife of CNG-run auto-rickshaw driver Nazrul Islam Zulfikar, a resident of the village. Quoting family members, Masudur Rahman, officer in-charge (investigation) of Bishwanath Police Station, said Halima’s husband called her in theirhouse when she was washing cloth in the pond around 8am.When Halima entered a room of the house, Zulfikar locked the door from inside. Later, Zulfikar’s mother heard the screams of Halima and knocked the door. Finding no response, she informed the locals who entered the room by cutting the tin roof and found Zulfikar sitting beside dead Halima.On information, police recovered the body and sent it to Sylhet MAG Osmani Medical College Hospital for autopsy. Police also arrested Zulfikar in this connection.”During primary investigation, Zulfikar confessed that he stabbed Halima,” the OC added.Family members claimed that Zulfikar was a mentally ill person.