An emergency is a sudden and unexpected situation that requires immediate action to prevent harm or danger. Emergencies can involve various scenarios, such as natural disasters, medical crises, or accidents. Common examples include fires, earthquakes, and heart attacks. In emergencies, quick decision-making and response are crucial. People often rely on emergency services, such as ambulances, fire departments, and police, to provide assistance. Preparedness, including having emergency plans and supplies, can help individuals and communities respond effectively when emergencies occur.