The incident took place on Thursday when Prashant Chauhan, native of Pali village in Uttar Pradesh and was working as a teacher on a contract basis in Shahdara, had gone to his uncle's house in Sarita Vihar, they said.

A 23-year-old man was killed after his cousin accidentally fired from a pistol while they were attempting to click a selfie posing with the firearm in southeast Delhi, the police said.

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The incident took place on Thursday when Prashant Chauhan, native of Pali village in Uttar Pradesh and was working as a teacher on a contract basis in Shahdara, had gone to his uncle's house in Sarita Vihar, they said.

At the house, Chauhan's 17-year-old cousin said to be a student of class 11, managed to get hold of his father's pistol. While trying to click a selfie while posing with it, the pistol went off and a bullet hit Chauhan, Deputy Commissioner of Police (South East) Chinmoy Biswal said.

Chauhan, was rushed to a hospital with a gunshot injury, where he was declared brought dead, they said .

"The pistol's license is in the name of Promod Chauhan, the father of the juvenile. The boy's father, a property dealer, was not at home when the incident occurred," the DCP said.

Police will probe whether there was any negligence on the part of the minor's father, he said.