Two workers have been killed and another injured after a gas cylinder exploded at a machine workshop operated by the Progress prospectors’ artel in Russia’s Aldan District, Yakutia.

The victims were men, 44 and 55. The injured worker, 42, was hospitalized at Aldan Central District Hospital with burns, RBC reports.

A fire broke out after the gas cylinder depressurized, completely destroying the 20-square-meter workshop building.

Investigators have preliminarily identified a violation of fire safety regulations governing the use of gas equipment as the suspected cause of the fire.

The Aldan District Prosecutor’s Office has launched an investigation into the circumstances of the incident and compliance with relevant legal requirements.