St John Ambulance has released new research has revealed a large number of people have witnessed a medical emergency at work, yet many don’t know where to find a defibrillator.

St John chief brand and reputation officer Aaron Crowther told Oliver Peterson on Perth Live people need to know what to do in an emergency.

“We want to see more people understand their responsibility and how to appropriately deal with these situations when they do arrive,” said Mr Crowther.

Press PLAY below to hear why St John wants more people to know how to use a defibrillator