Noida, April 5 -- Blinded by suspicion, a Noida man allegedly bludgeoned his wife to death with a hammer at their upscale Sector 15 home on Friday afternoon and then walked more than two kilometres to the police station to confess to the gruesome killing, senior officers said.

Police said Noor-ul-lah Haider, 55, a computer engineering graduate, suspected his wife of having an extramarital afafir. Around noon, after what family members said was a night-long argument, he allegedly locked their bedroom door, muffled her screams with a pillow, and repeatedly struck her on the head with a hammer till she died.

The victim, Asma Khan, 42, worked as a civil engineer at a private firm in Sector 62, Noida. She lived with her husband and two child...