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M25 Chaos: Warehouse Fire Sparks Explosion Fears
11 Aug
Summary
- M25 motorway closed due to a large warehouse fire.
- Firefighters are managing a warehouse blaze with explosion risk.
- Commuters face significant delays and are advised to reroute.

A significant warehouse fire erupted in St Albans on Tuesday, prompting the closure of the M25 motorway in both directions between junctions 22 and 21A. The incident, which began at 09:21 BST, involves a large blaze at a warehouse on Ventura Park, Old Parkbury Lane, Colney Street. Hertfordshire Fire and Rescue is on site with 15 crews tackling the fire.
Authorities have warned of a risk of a secondary explosion, with smoke and debris potentially affecting the carriageway. National Highways reported 60-minute delays on approach to the closure. Network Rail has a representative present due to the proximity of the railway line. Residents nearby are advised to keep doors and windows closed.