If there is a fire accident in a basiliding area. What is does do the first?

The first thing to do in case of a fire accident in a building area is to activate the fire alarm to alert everyone in the building. This will help ensure that everyone can evacuate safely and quickly. It is also important to call the fire department immediately to report the fire and provide them with the necessary information about the location and severity of the fire. Additionally, it is important to follow the building's evacuation procedures and evacuate the building in a calm and orderly manner.