The incident took place yesterday when two men allegedly entered the house of a Burari resident at around 1:30 pm.
"The owner then raised an alarm when the two men tried to escape. During the melee, one of them, identified as Birbal, slipped from stairs as he tried to run towards the roof of the building," he said.
Meanwhile, some locals who had gathered on the spot caught hold of him and thrashed him, he added.
Birbal became unconscious and was taken to hospital by the locals where he was declared dead.
His accomplice managed to escape, the officer said.
"A case of culpable homicide not amounting to murder has been registered against unifentified persons," said Nupur Prasad, DCP(North).
The deceased used to work as a labourer in the area, he said, adding the body was sent for autopsy.
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