Mold: Explosion and fire at chemical factory
Witnesses watched in shock during an explosion at a chemical factory in Mold, Flintshire, on Tuesday afternoon.
North Wales Fire and Rescue Service said it was called to a fire in the production area of the Synthite factory on Denbigh Road at about 14:05 BST.
People nearby heard a loud bang and saw flames and billows of smoke rise from the building.
About 20 people were evacuated an one person has been taken to hospital.