A fire broke out in the office of a tea auctioning company on the third-floor of Park Mansions on Thursday morning.

No one was injured. Security personnel of the building rescued two men before the fire brigade reached.

“When we reached the spot, thick smoke had filled the affected portion of the third-floor. We had some difficulty getting access to the office initially,” a fire brigade officer said. The fire was doused within an hour and a half.

The office, a roughly 3,000sq ft space, was partially damaged. “The air-conditioned office had tea tasting facilities, furniture and documents,” the officer said.

A few families live in the building but the fire did not affect those portions, said Susmita Bhattacharya, the outgoing councillor of Ward 63, which covers Park Street.

Three fire tenders reached the building, at the junction of Park Street and Free School Street, within a minute of a call reaching the headquarters of the fire brigade, said an officer at the fire brigade’s control room. “We received a call at 7.15am.... Three fire tenders reached the spot within a minute and the fire was doused by 8.40am,” said the officer.

The four-storeyed building has many commercial establishments, including outlets of Starbucks and Hard Rock Cafe and a Nexa dealership. The fire did not spread to the other parts, the officer said.

“The primary objective was to ensure the fire could be arrested within the four walls of the tea auctioning company,” another officer who was at the site said. The cause of the fire is yet to be ascertained.