What is a Molotov cocktail used in attack on OpenAI CEO's home?

A 20-year-old man used Molotov cocktail to attack residence of OpenAI CEO Sam Altman. A Molotov cocktail, also known as "petrol bomb" or "poor man's grenade", is a type of improvised incendiary device that was first used in the Spanish Civil War. It consists of a bottle filled with a flammable liquid and a wick that is ignited before throwing.