Medical emergencies can occur without warning, whether at home, in public places, or in the workplace. In many cases, the first few minutes after a medical emergency determine whether a person survives or suffers long-term complications. This is where Basic Life Support in UK plays a crucial role. Basic Life Support (BLS) refers to a set of life-saving techniques used to maintain a person’s airway, breathing, and circulation until professional medical help arrives. In the UK, awareness of basic life-saving techniques is steadily increasing as communities recognise the importance of early intervention. When someone collapses due to cardiac arrest, choking, or respiratory failure, immediate assistance from a trained individual can dramatically improve survival rates. Understanding and practising Basic Life Support in UK is therefore essential not only for healthcare professionals but also for ordinary citizens who want to be prepared for emergencies.