In the blood according to one version of poisoned oil residents of the Ulyanovsk region found toxic substances, said head of the Toxicological Department of the regional clinical center of specialized types of medical care named after Dr. chuchkalov Ignat Ponomarenko in the air of television channel " Russia 24 ". "Yesterday received confirmation from the lab about the fact that in the sera of patients present a derivative of coumarin," - said Ponomarenko. This stuff is basically poison against rodents. before the Ministry of health of the Ulyanovsk region said on the hospitalization of seven employees, family or associates at work who ate sunflower oil, home-produced, purchased from the same manufacturer. later, one of the hospitalized died. Source Last news in law enforcement reported that in sunflower oil according to one version got rat poison. the health Ministry also reported that on 3 August he died, another resident of the Ulyanovsk region was hospitalized with heavy bleeding. Investigators opened a criminal case under the criminal code on the fact of production or the marketing of products not meeting safety requirements, and entailing by negligence the death of 2 or more persons, traces of oil were confiscated. A source in law enforcement said Last news that the oil was made by the pensioner: the part he kept for himself, and passed the rest to his daughter and a friend. <span style="color:darkgray