What immediate action is required during a suspected gas leak?

In the event of a suspected gas leak, the immediate priority is to ensure the safety of all occupants in the building. Evacuating the building and notifying the fire department is a critical action because gas leaks present significant dangers, such as the risk of explosion, fire, and harmful health effects from gas inhalation. By evacuating everyone from the premises, you eliminate the risk of injury or harm caused by potential hazards associated with the gas leak.

Notifying the fire department ensures that trained professionals can assess the situation, take appropriate measures to mitigate the risk, and provide assistance as necessary. Their intervention plays a crucial role in safely managing the emergency.

Other options, while they might seem relevant, do not prioritize immediate safety in the way that evacuation does. Checking appliances, turning off the gas supply, or attempting to light a match could exacerbate the situation and put individuals at risk. Thus, prioritizing the evacuation and alerting emergency services is the most responsible and safest course of action in the event of a suspected gas leak.