A firefighter in Pitesti, Romania is being hailed as a hero for saving a dog’s life by performing CPR.

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According to Storyful Newswire, the dog collapsed from smoke inhalation in a Dec. 9 apartment fire. In a video posted by reporter Costi Tudor, the firefighter can be seen performing chest compressions and mouth-to-mouth on the canine before putting an oxygen mask over its muzzle, saving the animal’s life.

The dog’s owner was also taken to hospital.