They managed to rescue 7 workers trapped in an office building next to a 3-storey warehouse in Sungei Kadut which had caught fire this morning.
Three of the workers were trapped on the roof and the other 4 were stuck on the 3rd-floor balcony.
Some eyewitnesses say the warehouse burst into a wall of flame and explosions were heard.
50 firefighters were rushed to the scene of the blaze.
Within an hour, the firefighters had surrounded the burning warehouse with water jets and had confined the flames to the building.
By about 9am, only small pockets of fire were left to be doused thanks to the efficient response of the firefighters.
The cause of the fire is being investigated.