The explosion happened in the morning on May 14 at the fourth floor of the factory’s bin block. 8 workers of the factory were injured and 6 of them were delivered to the hospital with fractures and burns. Four of the six were in grave condition. Their burns ranged from 10 to 70% of their bodies. One of them, Yerkyn Zhildin, 41, died in the hospital in the morning on May 17. He was an ex-firefighter. The explosion left him with thermal burns on his face, body, hands and legs, and a thigh bone fracture. "His condition was very grave, the burns covered 40 percent of his body," the Emergency Department said.
“At 9 am, eight VostokSemRemont workers were conducting cutting works at the fourth level of the bin block. Wheat dust and remains of wheat formed a gas-air mixture that exploded when the workers started cutting the metal bottom of the bin, ” Marat Turarbayev, Deputy Prosecutor of Semey city, told the journalists during the press conference.