M25 shuts due to 'risk of explosions' after fire at commercial warehouseFire crews are at the scene of the incidentView Image A plume of smoke rises into the sky captured from a camera near J21A of the M25 (Image: National Highways)Drivers are facing disruption on the M25 due to a "significant" fire at a commercial premises. National Highways say the "risk of secondary explosions, smoke and debris" is affecting the carriageway. A National Highways spokesperson said: "If this closure impacts on your planned route, please allow extra journey time. ‌"Further information is available from National Highways by visiting our www.trafficengland.com website and travel apps, or via our regional X feed. At next roundabout tak 2nd exit onto slip road to rejoin M25 towards Harlow at M25 Junction 22.