On 3 November 2022, methane release led to an explosion in the ArcelorMittal Temirtau's coal mine killing 5 workers and injuring 4.

The police initiated an investigation, and a special commission was created.

The investigation was terminated, and the case was transferred to a court that sentenced to prison terms 4 managers of ArcelorMittal Temirtau. One was handed a five-year sentence, two managers - 4,5 years and one more got four years.