An explosion of ammonia gas killed at least five workers at Ukrainian chemical maker PAT Concern Stirol, the prosecutor general’s office said.
The leak occurred at 2 p.m. today during maintenance in Horlivka, eastern Ukraine, where the plant is based, according to a statement released on the the website of the regional prosecutors office, which opened a criminal probe.
Stirol belongs to Ukrainian billionaire Dmitry Firtash.
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