At least four people have died in a fire that broke out at Maimoon residential building in Mumbai's Marol in the early hours of Thursday

The cause of the fire, that broke out around 2 am is yet to be ascertained. 

The blaze was brought under control three hours later around 5 am, police said.

This is the second major fire in Mumbai in a week. 

Last Friday, a major blaze at two eateries in Mumbai's Kamala Mills killed 14 people.