Robert Underwood, a parent of a 16-year old girl who died of Sudden Arrhythmia Death Syndrome, is campaigning to get defibrillators in all schools.
Contrary to popular perception, a defibrillator actually stops the heart, rather than restarts it, allowing it to naturally regain normal rhythm.
With a defibrillator to hand, a patient has a considerably greater chance of survival.
It's estimated that more than 95 percent of cardiac arrest victims die before reaching the hospital.
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Cloudy and windy in the East. Cloudy and mild, with patchy rain in West.
Most places dry overnight. Cloudier and windier during Sunday.
Cloudy and mild on Sunday, risk patchy rain in west.