I've been meaning to post this for a couple days, since I heard about it.
Basically a ton of pet foods were recalled - wet foods / canned & pouches. So if you have a pet that gets "wet food" check the recall list & be sure your pet food is not on it!
PS: thanks for the comment link sonjaaa
On March 23, 2007, ABC News reported aminopterin was the chemical linked to the 2007 Menu Foods pet food contamination incident. The incident resulted in a massive recall of the affected foods. The link to aminopterin was confirmed by New York State Agriculture Commissioner Patrick Hooker and Dr. Donald Smith, Dean of Cornell University's College of Veterinary Medicine, in a statement released on the same day. - cut from Wiki