MUMBAI, Jan. 22 (CGTN) -- At least 6 people were killed and 28 others were injured after a fire broke out in a high-rise in Indian city Mumbai, local media reported on Saturday.

The fire was reportedly caused by a short circuit and started on the 18th floor of the 20-storey building. Rescue operation is underway.

Dozens of fire fighting trucks rushed to douse the flames and rescue hundreds of residents from the 20-storey building in the centre of Mumbai city.

Footage from the scene showed a massive plume of smoke filling the sky, with flames coming out from the 18th floor of the building.

"Fire has been doused and people have been rescued," Kishori Pednekar, the city's mayor, told Reuters, adding that the cause of the fire was not known yet.