A man fired a shot in the air in northeast Delhi's Old Mustafabad area after a minor altercation broke out between a biryani shop owner and three unidentified men, an official said on Saturday.

The incident took place around 9.20 pm on Friday in Gali No. 3 of Old Mustafabad area and was reported at Dayalpur police station, he said.

Preliminary inquiry revealed that the complainant, who runs a biryani shop, was approached by three men on a motorcycle. The trio first went to a neighbouring confectionery shop before getting into an argument with the complainant over a trivial matter, a senior police officer said.