As K9 Enzo fought for his life, police closed roads and called in a helicopter to get him the help he needed.

"You did so good buddy.. you're a good boy," one officer can be heard telling his canine comrade as sirens blare, in a video released by the Las Vegas Metropolitan Police Department.

In the fast-moving situation on 29 March, they rushed Enzo to a nearby veterinary hospital where he was taken from the police vehicle and seen covered in blood.

Staff quickly got him inside and onto a table to tend to his wounds, suffered as he tried to apprehend a "violent suspect".

After stabilising the dog, it became clear that he needed to be urgently transferred to another hospital for further care.

The decision was made to close the road outside and land a helicopter, so Enzo could be airlifted.

He received further treatment there and this week it was announced that Enzo is alive and recovering.

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"Everybody needed to act in order to save our canine dog's life, they all rallied behind each other and they understood what they needed to do," SWAT commander Bryan Peterson says in the video.

He paid tribute to K9 officers like Enzo: "They are one of us, they are instrumental to the way we do policing, and how they protect us on a daily basis.

"Of course we're going to go above and beyond to ensure that they are safe and they get the medical attention that they need to survive."