A 25-year-old man has been arrested for allegedly killing a 17-year-old girl since she refused to marry him, police said on Monday.
The accused identified as Laik Khan has been arrested from Hardoi, police said.
On Friday night, police said, the accused hammered the minor to death at her residence in Begumpur area before fleeing the spot.
The girl’s family told police that Laik had been pursuing her for marriage but she had been refusing. Both the victim and the accused’s family had known each other for years because they were earlier neighbours in Bawana.