Police said that the victim Sabir Ali, 31, was a scrap dealer and lived with his family in Jahangirpuri. His younger brother and his wife also lived with him.
Sabir's neighbour, Salauddin, 32, allegedly kept a bad eye on his sister-in-law. The deceased had often confronted the accused over the matter in the past, police said.
Sabir and Salauddin had a fight over the issue last night around 10.30 pm. The accused during the scuffle took out a knife and stabbed Sabir in the chest and fled from there, said a police officer.
A case of murder was registered and raids were conducted and the accused was arrested, he said.
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