India, May 22 -- A 25-year-old man was arrested for allegedly killing a 17-year-old boy over suspicion of being in an extramarital affair with his wife, at his residence in north Delhi's Gulabi Bagh on Tuesday, police said on Wednesday.

Police said that the victim was hit on his head with a small gas cylinder on Tuesday morning. Deputy commissioner of police (north) Raja Banthia said that both the accused and the victim are from Bihar. The minor was staying with the couple for the past few days.

Police said that their control room received a call around 11am on Tuesday regarding a violent fight between tenants. When police reached the spot, they found a person lying in a pool of blood on the floor.

A murder case was registered and inve...