Mumbai: In a shocking incident, a 54-year-old mentally disturbed man allegedly stabbed two neighbours to death and injured two others at a residential building in south Mumbai on Friday, police said.

After the incident, the accused identified as Deepak Gala was arrested by local DB Marg police station along with the weapons used.

The incident occured in the afternoon at Parvati Mansion on Grant Road, an official said.

The man's wife and children had left him two months ago, and he suspected that his neighbours had instigated them, the official said.

He had been mentally disturbed ever since, and on Friday, upon spotting his neighbours, he went to his house, picked up a knife and allegedly attacked five persons from neighbouring families.

The injured were rushed to hospital where a couple, Jayendra and Neela Mistry died during treatment while and two women are seriously injured.

A First Information Report (FIR) under sections 302 (murder) and 307 (attempt to murder) of the Indian Penal Code was registered at D B Marg police station and probe is underway, the official added.

(With UNI Inputs)