A 45-year-old man allegedly stabbed his wife to death following an argument on Saturday morning (July 31) and later walked into Mangolpuri police station with a blood-stained knife to confess his crime, police said.

His wife Sabana, 40, was rushed to Sanjay Gandhi Hospital by the neighbours where she was declared brought dead by doctors, they said. According to the police, Sameer and Sabana often used to fight over the accused's drinking habit. Deputy Commissioner of Police (Outer) Parvinder Singh said, "We got a PCR call at 7.47 am about the murder and in the meantime, Sameer came to Mangolpuri police station with a blood-stained knife and told police that he has killed his wife."