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.

Residents near a chemical factory have been told to keep their doors and windows closed as emergency services tackle a fire. North Wales Fire and Rescue Service said it was called to a fire in the production area of the Synthite factory on Denbigh Road, Mold, Flintshire, at about 14:05 BST.

Emergency services are tackling a fire after what is thought to have been an explosion at a chemical factory. North Wales Fire and Rescue Service said it was called to a fire in the production area of the Synthite factory on Denbigh Road, Mold, Flintshire, at about 14:05 BST.

Emergency services rushed to the Synthite factory in Mold, Flintshire, following a fire after 2pm this afternoon. A witness said he heard eight or nine explosions