No injury or casualty has been reported in the mishap which occurred at the chawl in Behram Nagar in Bandra (east).
"We received a call at around 4 AM today (regarding the blaze) and 10 fire engines along with water tankers were pressed into action immediately to douse the flames," a fire brigade official said.
Nearly 3-5 tenements were gutted in the blaze, he said, adding that the fire was contained to a small area by the fire brigade personnel and the flames were doused by 8 AM.
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