A baby food jar recalled by its producer over suspected tampering was found to contain rat poison, Austria's police have announced, warning citizens against its consumption. The Germany-based HiPP brand had on Friday recalled the food jars at over 1,000 SPAR supermarkets in Austria, citing the possibility that a "hazardous substance" was introduced into its carrot with potato puree through tampering. What do we know about the baby food in question? Police have seized the baby food jars in Austria, as well as the Czech Republic and Slovakia, amid an ongoing investigation in Germany, police in Austria's eastern Burgenland province said in a statement . One sample reported by a customer involved a 190-gram jar of the carrots and potatoes baby food. "A sample of the seized product was examined on Saturday afternoon and tested positive for rat poison," they said of the 190-gram jar. Austria's agency for food protection said the poison may have been introduced as part of an extortion scheme.…