Thanks for posting this. Our five kitties are eating Purina canned food so there shouldn't be an issue. The website says the company doesn't know why this happened. I wonder if some sicko dumped anti-freeze into the "ingredient" before supplying it to the company. That causes renal failure, and almost killed one of our cats many years ago.
Purina is one of the companies just added to the list.
According to another article here on FR.