The fire broke out in the forest near Sanjay Gandhi National Park in Goregaon.

A massive fire erupted in the thick forests of Aarey Colony in the Sanjay Gandhi National Park precincts in north-west Mumbai on Monday evening, officials said.

The blaze was noticed on one of the forested hills in Habalpada, near the Film City, and it quickly spread to an estimated four km area near Goregaon.

Visible from far away, including the Western Express Highway, there were no reports of human casualties in the blaze so far. The cause of the fire is not yet known.

There were no reports of any casualties in the Mumbai fire yet.

Teams of the Forest Department, Mumbai Fire Brigade and other agencies were battling the blaze amidst fears that it could destroy the rich the flora and fauna in the region.

The Sanjay Gandhi National Park region has a variety of big and small wildlife including leopards, peacocks, deer, hogs, besides a variety of insects, birds and plant life.