A fire at the Haldia company refinery in India’s West Bengal state left dozens injured.

According to the report, the cause of the incident is still unknown, and some of the injured are said to be in critical condition.

Haldia Petrochemicals operates an ethylene unit in the state with an annual capacity of 700,000 tons.

A large share of the company is also owned by the private Chatterjee Group (TCG) in the United States.