The life and death situation played out on a Sunday night at an IGA supermarket aisle.
Rowan O'Neil was a the checkout when his night was about to be turned upside down.
A child's mother rushed to the check-out with her limp baby in her arms - the toddler was not breathing.More stories from Today Tonight
Over the next 12 minutes, O'Neil fought to bring the baby back to life as the checkout became a make-shift emergency table.
Paramedics were called and were advising over the phone as O'Neil instinctively applied first aid lessons learned as a school student from more than a decade before.
O'Neil is a new dad himself and the incident has left him shocked but more determined to learn more about first aid.
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