A major fire breaks out at an industrial unit in Essex after an explosion is reported from the site, which includes a fertiliser store, according to multiple reports. Local emergency services respond to the incident and send more than 100 firefighters to the scene. The blaze spreads significantly, and it damages or destroys three fire engines used during the response. In total, 20 firefighters are taken to hospital. The reported explosion is heard across the county, and fire officials believe it originates from the industrial unit. BBC News reports that Essex’s chief fire officer praises the crews’ courage as the fire extends to the fertiliser area. The accounts describe a large-scale operation involving many crews and vehicles as responders work to control the blaze while maintaining safety in the vicinity of stored fertiliser. Authorities continue to manage the scene as injuries are assessed at medical facilities.