GEORGE TOWN, Dec. 8 -- A Penang man with no formal training has been hailed as a hero after he successfully revived an Indonesian tourist who suffered a cardiac arrest, thanks to quick thinking and publicly available Automated External Defibrillator (AED).

Koay Hean Wei, 41, who works in the emergency response industry, said it was the first time he had ever performed cardiopulmonary resuscitation (CPR) in a real-life emergency.

The drama unfolded at the Lebuh Cecil market last week, as Koay was returning to his car after breakfast. He suddenly saw the tourist collapse right in front of him.

"Since I'm involved in the emergency and AED industry, I knew I had a responsibility to step forward and help," he told Malay Mail.

Despite havin...