Some workers at the Tyson Foods pork plant in Waterloo, IA were evacuated during a “minor” ammonia leak Friday afternoon, the company told several local news organizations. 

Evacuations were ordered for part of the facility as a precaution, the company said in coverage by KWWL. The plant uses ammonia in its refrigeration system.

The evacuated “hit side” section of the plant was operational by Friday afternoon, Tyson stated in an account by the Waterloo-Cedar Falls Courier. No injuries occurred during the incident.

Click further to view some other developments in the food and beverage industry that captured headlines over the last week.