A golden retriever is being lauded as "the first responder" who helped saved her owner's life when he suffered a cardiac arrest in the middle of the night.

Hannah Cooke, from County Fermanagh in Northern Ireland, was woken up one night last year by a bark from Polly, she and her husband's four-year-old dog, who the couple said normally sleeps quietly through the night.

When she turned to her husband sleeping next to her, Hannah found him breathing irregularly, and then he stopped breathing entirely, according to the British Heart Foundation, which told the couple's story ahead of a ceremony on Tuesday that will see both Hannah and Polly crowned "CPR Heroes" for their actions.

Golden retriever Polly from Fermanagh helped save her owner Adam's life when he had a cardiac arrest asleep in b

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