A large explosion and subsequent fire have been reported at an agricultural facility in Essex, England. Residents reported homes shaking and a massive mushroom cloud of smoke rising into the sky. Approximately 100 firefighters are currently battling the extensive blaze. The cause of the explosion is currently unknown, but authorities suspect a fertilizer warehouse may be involved. Emergency services are on the scene, assessing the situation and working to contain the fire. No injuries have been reported at this time, but investigations are underway to determine the full extent of the damage and potential risks. Local authorities are advising residents to stay indoors and keep windows closed as a precaution.