A gas processing plant belonging to Petronas Gas Bhd. in the northeastern Malaysia state of Terengganu caught fire Thursday, leading to one death and injuring many others.

Contract workers from the Hyundai-PFCE Consortium (HPC), on site to undertake planned maintenance works at the plant, were affected by the incident.

One fatality was reported while two personnel were still warded at a hospital, Petronas said in a statement.

The remaining affected personnel received appropriate medical treatment, according to the company.

“[Petronas] is extending all necessary assistance to the affected personnel and their family members,” the statement says.

Media reports identified as many as 23 injuries.

The fire, which occurred at complex A at the site in Kerteh, Terengganu, was brought under control within 30 minutes by the complex’s emergency response team, Petronas said.

The cause of the fire was not known.

Petronas said there was minimal damage to plant equipment and that the incident did not affect operations of the other gas processing plant units.

There was also no interruption to the gas supply to the Peninsular Gas Utilisation (PGU) pipeline network.