explosion and fire
Yes, if a AA alkaline battery explodes, it can cause a fire or at least create a situation that could lead to burns. When a battery overheats due to damage, improper use, or a short circuit, it can vent or even rupture. This can release chemicals like potassium hydroxide, which is corrosive, and create a lot of heat, potentially igniting nearby materials.
However, alkaline batteries are not particularly flammable, so they might not produce flames, but they can still cause burns or damage through heat and chemical release. If a battery does explode, it's important to avoid touching it directly and clean up the area safely with protective gloves.