Local news outlets report that the fire was brought under control shortly after emergency services arrived at the scene. Seven people were rushed to the Kamensk-Chakhtinski city hospital, however all of them died of injuries sustained as a result of the fire.
According to the Interfax news agency, the workers are said to have been insufficiently trained and had accidentally broken safety rules while processing chemicals. According to its website, the Kamenski plant produces special-purpose chemicals for the Russian army as well as chemicals for civilian use.
On August 3, the Russian Investigative Committee began a criminal investigation into the incident to see whether industrial safety rules were breached. The criminal case is reported to have been launched to find out whether the violation of safety rules for explosive facilities had lead to the deaths of the seven workers.