A good Samaritan gave a Labrador the kiss of life after it stopped breathing and went underwater on a beach.

The pet, named Zena, had been swimming at a dog park in Tampa, Florida, when it suddenly stopped breathing.

A crowd quickly gathered around the dying animal as two people desperately battled to keep the dog alive.

Crisis moment: Zena had been swimming at a dog park in Tampa, Florida, when it suddenly stopped breathing

One woman starts giving the dog CPR and pressing on her chest to try and revive her in front of the crowd

Kiss of life: a man then leans down and puts his mouth to hers to try and bring her back from the dead

One woman starts giving the dog CPR and pressing on her chest to try and revive her in front of the crowd, cheering for her to get better.

A woman can be heard shouting: ‘Come on Zena, come on my girl,’ as they continue pressing on her chest.

But a man then leans down and gives her the kiss of life, putting his mouth to hers to try and bring her back.

https://youtu.be/5BLO6IkkerQ