Uzbekistan has claimed that at least 18 children in the country have died after allegedly taking an India-manufactured cough syrup. The health ministry of Uzbekistan, in a statement, said that the children who died had consumed cough syrup Doc-1 Max - manufactured by Noida-based Marion Biotech. According to the Uzbekistan's health ministry, the laboratory tests of a batch of syrups found "the presence of ethylene glycol", a toxic substance.