Sixteen people were taken to hospital today after a chemical spill at a business park, a fire service said.
Others were treated for the effects of chemical inhalation by paramedics at the scene of the spillage at Crossways Business Park in Bridge Close, Dartford, Kent.
None of those affected was believed to be in a life-threatening condition.
A spokeswoman for Kent Fire and Rescue Service said a small quantity of ammonia had been contained.
Two fire engines from Dartford, two from Thameside and an incident support unit from Medway attended, along with a Hazardous Area Response Team (HART).