It happened.
In a house, the family head tried to lit something. It did not. Then, he brought petrol in a bottle, poured a little on the material which he want to lit. After keeping the petrol bottle aside, he lit the matchstick. Immediately the fire spread from the material to the petrol bottle. In panic condition, he threw the bottle outside his house. The burning petrol bottle fell on a lady going on the road. She received burn injuries on hands and her clothing got burnt partly. She was admitted in a nearby hospital for treatment.
Mindless acts can lead to such type of accidents, endangering the persons who do not know what is going to happen to them.
Similar things can happen in industries endangering the environment and public at large due to unsafe actions by the persons inside the factory.