Facts & News 🧠 on Instagram: "Follow (us) @FCTS to learn something new everyday 🧠 The video captures the exact moment a sudden combustion flare-up occurs, likely caused by a misfired firework or a concentrated burst of flammable particles igniting at ground level. When fireworks, fuel vapors, or fine combustible dust come in contact with an open flame or high-temperature spark, they can create an explosive “fire flash,” releasing intense heat, bright light, and rapid pressure expansion within