Senior British military and civilian medics, who created the app, are concerned that people caught up in terror attacks may not know how to respond in the immediate aftermath – when every second counts.

In the information age, people have grown inseparable from their smartphones, so could they help in the event of an emergency?

The creators of a new smartphone app, named CitizenAid, hope these gadgets can help. The app is designed to guide the public to administer life-saving first aid, react safely, send relevant messages to emergency services, and prioritise the injured in case of a terror attack.

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