SEATTLE, WA - Three people experienced gastroenteritis after eating at a University District restaurant, according to King County Public Health. The illnesses may be linked to a bacterial toxin, but health officials couldn't pinpoint the exact type of bacteria.

The three people at Xi'an Noodles on Dec. 21. Soon after, they began experiencing cramps and diarrhea. Health officials think either Bacillus cereus or Clostridium perfringens could be the culprit.

Health investigators visited the restaurant on Dec. 31. They found some code violations, including improper cooling and failure to use thermometers. The restaurant threw away food that was improperly stored.