According to the Express, the incident occurred at around 11.22 am GMT in Avonmouth, near Bristol, with at least five fire crews arriving at the scene, APA reports citing Sputnik.
Reports suggest that a large explosion hit a warehouse in Avonmouth, killing at least one person and injuring two.
"We have been called to a large explosion at 11.22 am in a warehouse in Avonmouth", an Avon Fire and Rescue Service spokesman told the newspaper. "Crews from Avonmouth, Southmead, Yate, Patchway, Kingswood and Temple are currently attending. We are joined by Avon and Somerset Police and Ambulance on site".
According to a spokesperson for the rescue services, the crews are still looking for victims at the site of the blast.
Photos published on social media allegedly taken near the site of the incident show ambulances and emergency service helicopters in the area.
The Avonmouth Recycling Centre and Reuse Shop, located nearby, announced it will be temporarily closed until further notice.