A 21-year-old man was allegedly stabbed to death by seven persons in suburban Kurla after he objected to one of them flashing the torch from a mobile phone on his face, police said.

The police have arrested all the accused involved in the attack that took place in Indira Nagar locality of Kurla on September 30, an official said. According to the police, the victim Rohit Rakhpasre was sitting with his colleagues in the locality, when one of the accused passing by flashed the torch from his mobile phone on their faces.