Note: This is an unofficial English translation of the original Russian response available at the link below

...In response to your request to comment on the materials about toxic poisoning of children from the village of Berezovka in the West Kazakhstan region...we report the following...After the incident, the West Kazakhstan Regional Department of Health ordered a comprehensive medical examination of the affected children, both in local hospitals and in leading clinics of Almaty, Astana and Aktobe. According to the Regional Health Department, a medical examination of children did not reveal any diseases that could be caused by toxic poisoning...The results of the regular environmental monitoring of KPO in the territory of the Karachaganak oil and gas condensate field and along its perimeter showed that no harmful concentrations of pollutants resulting from KPO activity were detected. Following the investigation of the incident in the village of Berezovka, the National Interdepartmental Commission did not establish a direct fact of environmental contamination by hydrogen sulphide as a result of gas combustion in the Karachaganak field. In view of the above facts, a criminal investigation into this incident, initiated in 2014, was recently discontinued for lack of the body of the offence...Before January 1, 2018...the population of Berezovka and Bestau villages was completely relocated to safe areas, Uralsk and Artaltal. The population as a whole is satisfied with the process of resettlement and new living conditions. In connection with the incident on November 28, 2014, KPO, with support of the project partners, issued a statement and assured there were no technological breaches at the facilities of Karachaganak that could have affected people's health.