Seven people were injured in fire that broke out late on Tuesday night and raged for 10 hours as it spread rapidly, engulfing more than 1,000 makeshift houses, fire officer Edilberto Cruz told reporters.
About 15,000 people were left homeless and were temporarily sheltered in evacuation centres, and their belongings, like television sets, washing machines and clothes were left on a major road, blocking trucks hauling containers at the port.
Only a week ago a worker was killed and more than a hundred injured at a huge industrial fire at factory south of the capital.
Fires are common in factories and shanty towns in Manila, one of the most populated cities in the world. In 2015, 74 workers were killed when they were trapped in a slipper factory north of the capital.