4 people taken to hospital after Bolingbrook gas leak

BOLINGBROOK, Ill. (WLS) -- Four people were taken to Bolingbrook Hospital after a carbon dioxide leak at West Liberty Foods in Bolingbrook Thursday afternoon, police say.

Employees were able to cap the leak before emergency crews arrived and employees were evacuated.

West Liberty Food's on-site medical team treated 15 to 20 employees.

None of the injuries appear to be life threatening.