What should be the first action taken when a fire is detected?

When a fire is detected, the first action should be to activate the fire alarm system and evacuate the area. This step is crucial as it alerts all occupants to the fire hazard, allowing them to respond swiftly and safely. The activation of the alarm serves to notify everyone present of the danger, which is essential for ensuring that all individuals can safely exit the building or area at risk.

Furthermore, evacuating the area helps prevent injuries and fatalities by directing people away from the immediate threat. Once evacuation is underway, emergency responses such as calling the fire department can be initiated, but the priority must be to ensure all lives are safeguarded first.

Attempting to extinguish the fire or dealing with electrical appliances before evacuation might lead to additional hazards, including smoke inhalation, injury, or worse—trapping individuals in a dangerous environment. Therefore, activating alarms and evacuating is the most responsible and lifesaving initial action during a fire incident.