Vancouver police say a 72-year-old man has killed a pit bull with a folding knife after it attacked his pug near a popular beach.

The incident took place in the early afternoon around the Kitsilano Beach Park.

They say a woman who was walking the pit bull approached the man and the pug, and after a brief introduction the larger dog bit down on the smaller dog's neck.

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Police say the man and woman couldn't separate the animals, and the man "put down" the pit bull with a folding knife.

The pug was taken to a veterinary hospital for stitches, and police say they are not considering charges.

Marcie Moriarty of the BC SPCA says officials will perform a necropsy on the dead dog and will interview the individuals involved.