US-based pork producer Smithfield Foods has closed its Tar Heel, North Carolina pork plant, following an ammonia spill caused by the collapse of a water tank.
Over 2,000 workers were evacuated from the hog slaughtering plant. Details on when the plant will be resume its operations are not disclosed.
A Bladen County firefighter told Reuters that nearly three people were injured and transported to a hospital in Fayetteville.
Several rural fire departments responded to the incident, the firefighter added.
Smithfield's Tar Heel plant has a daily slaughter capacity of nearly 34,000 hogs.
