Post Desk : Several people have been injured after a large explosion ripped through a warehouse near Bristol.

Eye-witnesses reported seeing “at least ten ambulances” rush to the scene along with police and fire crews from six different stations.

South Western Ambulance described the incident, which occurred on King’s Weston Lane, as “serious”.

The service said: “We have been called to a large explosion at 11.22am in a warehouse in Avonmouth on Kings Weston Lane.

“Crews from Avon mouth, South mead, Yate, Patchway, Kingswood and Temple are currently attending.

“We can confirm there are multiple casualties on site.

“We are joined by Avon and Somerset Police and the Ambulance service on site. The incident is ongoing.”

The cause of the blast was not immediately clear.

However, witness Jawad Burhan took a photo showing a tank that appeared to have exploded.

He said there was a “helicopter looking for missing people” and police had closed a nearby road leading up to the building, which he believed was a waste centre.

“I heard the sound, I’m working beside the building in another warehouse. After ten minutes I saw the helicopter coming and the police,” he said.

A spokeswoman for Avon Fire and Rescue Service confirmed that crews were still looking for people but was unable to release further details.