New Delhi, May 12 (PTI) At least seven people were injured following a blast and a massive fire in a chemical factory in Delhi's Bawana area on Sunday, police said.

The condition of three of the injured is critical, they added.

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"A call regarding a fire at a factory in Sector 1, Bawana industrial area was received at 3:04 pm. Twenty fire-tenders were pressed into service to douse the flames," Delhi Fire Services (DFS) chief Atul Garg said.

Nine people were rescued from the factory and rushed to a nearby hospital, he said, adding that the fire has been brought under control.

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Police said they were informed about seven medico-legal cases (MLCs) by the hospital and three of the patients were stated to be in critical condition.

A police officer said the three critically injured people have been identified as Kuldeep (18), Bablu (25) and Mastram (20).

"All of them have been referred to the Safdarjung Hospital for further treatment. The other injured people have been identified as Suresh, Rakesh, Pankaj Pal and Ghan Shyam and they are undergoing treatment at the hospital," the officer said.

The officer further said according to factory owner Sunil Kumar, no one else was trapped inside but it will be confirmed only after the operation and the cooling process are concluded.

An initial probe suggests that the workers were working on a machine and a spark from a short circuit led to the chemicals kept there catching fire.

The officer said legal action is being taken against the factory owner.

(The above story is verified and authored by Press Trust of India (PTI) staff. PTI, India’s premier news agency, employs more than 400 journalists and 500 stringers to cover almost every district and small town in India.. The views appearing in the above post do not reflect the opinions of LatestLY)