Nearby residents have been asked to keep their windows shut.
Crews rushed to Myreside Farm in Inverkeilor, Angus, after being alerted to the fire at 5.48pm. Four fire engines, a water carrier, and a hose reel jet were deployed to the scene to contain the flames.One person said: "Oh, big fire and explosions just behind my garden, hope everyone is okay." Another added: "The explosion was so powerful I felt it at Lunan Church as I was going home.
Dramatic video footage shows a huge blaze erupting at the farm as thick pockets of smoke spread into the sky. Police confirmed they are also in attendance and have asked nearby residents to keep their windows closed.A Scottish Fire and Rescue spokesperson said: "We were called at 5:48pm to reports of a fire within a farm building. Four appliances, a water carrier, and a hose reel jet are in attendance at the scene.