More children from Berezovka village…have been hospitalized…First mass poisoning of schoolchildren took place in the village of Berezovka on 28 November…They blamed the bad ecological situation caused by practices at Karachaganak oil and gas condensate field developed by Chevron, BG Group, Eni, Lukoil and KazMunaiGas. Then there was another bunch of schoolchildren hospitalized…[O]n December 5, six more children have been brought to the hospital, in the third wave of hospitalization of children…Parents of students who were discharged from the hospital earlier say their kids are still unwell…Karachaganak Petroleum Operating B.V. that develops the field, insists their experts and equipment detected no excesses of the maximum permissible concentrations of harmful substances in the village Berezovka…“While the cause of the incident remains unknown, we are actively participating in the Berezovka incident investigation and we are working in close cooperation with the Western Kazakhstan Oblast authorities and all relevant authorities,” they said…They added that a “mobile environmental monitoring station” was sent to the village and again detected “no excess of the official maximum permissible concentrations”.