Dan Elms is one of hundreds of people who owe their lives to automatic external defibrillators (AEDs).

He suffered a heart attack at his local gym, and was unconscious for eight minutes. Only the timely intervention of a retained fireman, who had a defibrillator in his car, prevented Mr Elms from dying.

Hundreds of thousands of people take time off work each year due to influenza; the cost to business in lost productivity is enormous.

If there was a fire in your building, are you sure you have all the means of escape in place to enable people to get out safely?

What if a disabled person in a wheelchair was trapped upstairs? Would they be able to get back down if the lift was out of action and their chair was too big or heavy to carry?