Twenty firefighters taken to hospital after explosion in Essex

To play this video you need to enable JavaScript in your browser. This video can not be played Figure caption, Watch: Aerial view captures scale of Essex blaze By Rachael McMenemy Published 16 minutes ago Twenty firefighters were taken to hospital after a blaze ripped through an industrial unit and spread to a fertiliser store, triggering a major explosion. The fire service declared a major incident on Friday, as more than 100 firefighters tackled the flames at Highlands Farm, near the village of Rettendon, Essex. Three fire engines and two fire service cars were destroyed in the blaze. Speaking at a media conference on Saturday, Rick Hylton, Essex's chief fire officer, praised the "remarkable professionalism, courage and commitment" of the fire crews. Image source, PA Media Image caption, Fire chief Rick Hylton has urged the public not to speculate on the cause of the fire while an investigation is under way He said the incident was "one of the most challenging and complex incidents Essex County Fire and Rescue Service has responded to in recent years". Of the firefighters taken to hospital, four had minor injuries. Sixteen were checked as a precaution for issues such as hearing loss after the explosion. All of them had been discharged from hospital, Hylton said. Image source, Stephen Huntley/BBC Image caption, More than 100 firefighters were at the scene at the peak of the incident The fire service was called at about 16:50 BST on Friday to reports of a fire involving industrial units and surrounding land at the farm, on Southend Road between East Hanningfield and Rettendon. Firefighters were confronted by a large and "quickly developing" blaze, Hylton said. At 17:46 a unit housing fertiliser exploded. Witnesses told the BBC it sounded "like a bomb" and compared it to a "sonic boom". Others described hot debris falling from the sky. Image caption, Debris from the explosion and fire was seen strewn across neighbouring fields On Saturday, about 25 firefighters remained at the scene dampening down. An investigation into the cause of the fire is under way. Hylton said the fire service was also working on recovery operations for businesses affected. Do you have a story suggestion for Essex? Contact us below. Get in touch Your Voice Contact form Contact form Follow Essex news on BBC Sounds , Facebook , external , Instagram , external and X , external . Related topics Essex County Fire and Rescue Service Rettendon More on this story Huge explosion and fire rip through Essex industrial site Published 5 hours ago Related internet links Essex Fire Service