A fire broke out in a four-storey building here on Wednesday, officials said.

“The fire broke out on the top floor of a four-storey building in Mullick Bazar near the Neurosciences Institute on Acharya Jagadish Chandra Bose Road (in south Kolkata) around 12 p.m.”, a fire official said.

“The fire spread quickly as there were inflammable materials in the room. One fire official sustained burn injuries while trying to put out the fire,” he added.

Ten fire tenders were pressed in to service to control the blaze.

“The cause of fire is still unknown,” the official added.