Bereaved dad Mark King demonstrates how to use a defibrillatoron June 17, 2021 at 3:18 pm

Mark King’s 12-year-old son died after suffering a sudden cardiac arrest.

Mark King is campaigning for better access to defibrillators, after his 12-year-old son died having suffered a sudden cardiac arrest.

Mr King showed BBC Breakfast’s Charlie Stayt and Naga Munchetty how to use life-saving equipment saying: “You cannot misuse a defibrillator.”