A 21-year-old man was stabbed to death allegedly by three men following an argument in south Delhi's Madangir area, police said on Monday.
He has been identified as Manoj alias Lavi, a resident of Madangir. He worked as a helper with a dentist, they said.
The police were informed about the incident at around 11.12 pm on Sunday night.
Manoj was rushed to a nearby hospital by his relatives but was declared brought dead, said Deputy Commissioner of Police (South) Atul Kumar Thakur.
Stab injuries were found on Manoj's body, he said.
A case of murder has been registered at the Ambedkar Nagar police station and investigation has been initiated, he added.
The initial probe revealed that the Manoj was allegedly stabbed by three persons after they had a heated argument, the officer said.
The trigger behind the argument will be ascertained after the accused are nabbed, the officer added.
Efforts are being made to arrest the accused, the police said, adding the body has been sent for post-mortem.