There were no immediate reports of any injuries in the blaze, they said

"Following a request from the Mumbai Fire Brigade, a team of the National Disaster Response Force (NDRF) was mobilised and reached the spot at 7.50 am," a civic spokesperson said

He said while no injuries have been reported at the site, the building adjacent to the affected structure was vacated as a precautionary measure

Officials said the fire, classified as Level IV (major), broke out around 4.10 am in a multistorey building on Linking Road in Bandra (west)

A civic official said the blaze was initially confined to the building's basement, but it later spread to the upper floors of the building, which were engulfed in smoke

Thick black smoke billowing from the building was visible from afar

At least 13 fire engines and other firefighting vehicles are at the spot, the civic official added

Around 6.25 am, the fire brigade classified the blaze as Level IV, indicating that it was a major fire warranting extensive firefighting operation, the civic official said

According to officials, Mumbai Fire Brigade chief Ravindra Ambulgekar and other senior officers of the fire brigade have rushed to the spot, and attempts are underway to douse the blaze