The peacock, which belonged to one Samsad, would often fly to the terrace of his neighbour Deepesh, leading to several arguments between them.
Today, the latter hit the bird with a stick, causing its death, said Additional Superintendent of Police Prabal Pratap Singh.
The incident lead to a clash between two groups, he said.
Deepesh has been detained and a case will be filed against him after the post-mortem of the bird, he said.
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