JAKARTA, INDONESIA—An explosion and inferno at a fireworks factory near the Indonesian capital on Thursday killed at least 47 people, most of them female workers who were apparently locked inside, and injured dozens.

Witnesses said a huge explosion was heard from the factory at about 10 a.m. local time and then smaller blasts echoed across the neighbourhood as orange flames jumped from the building and a column of black smoke billowed from it.

The death toll could rise as many of those who escaped suffered extensive burns, said Nico Afinta, general crimes director at Jakarta police. He said bodies were found piled at the rear of the building.

Police said 103 people were working at the factory and 10 are still unaccounted for. It’s possible some or all of those 10 had not come to work or suffered only minor injuries and didn’t seek medical attention, said Jakarta police spokesperson Argo Yuwono.

A local resident told Indonesia’s MetroTV he saw police and residents smash through a wall of the factory so trapped workers could escape. Some of the victims were burning as they ran out, he said.

“The fire began with a strong explosion like a bomb,” Benny, who goes by one name, told the TV channel.







A worker who escaped the fire said the factory’s staff was mostly women employed on a casual basis.

Mumum, who goes by one name, told Indonesia’s TVOne she started working at the factory a few weeks ago and was paid $3 U.S. a day.

“I lost so many friends. I couldn’t help. Everybody just ran for safety,” she said, weeping.

The factory is located next to a residential area in Tangerang, a city in Banten province on the western outskirts of Jakarta. A police report said the fire spread after an explosion that caused the roof to collapse.

Video showed flames shooting meters above the structure and billowing clouds of black smoke spreading across the neighbourhood as residents looked on in horror.

Tangerang police chief Hary Kurniawan said 46 injured people were being treated at three hospitals.

The factory had been operating for less than two months, he said.

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“We are still investigating the cause of the fire and questioning witnesses,” Kurniawan told reporters. “Factory owners or anyone who neglects and violates safety rules should be held legally responsible.”

Minister of Manpower Hanif Dhakiri said his department would investigate the factory for allegedly employing underaged workers.

MetroTV, quoting a local official, said although the factory had a permit, its proximity to a residential area was against regulations.

Safety laws are inconsistently enforced or even completely ignored in Indonesia, a poor and sprawling archipelago nation where worker rights are often treated as a lower priority than economic growth and jobs.

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