Illegal prank putting pets at risk for Fourth of July

Police Warn Dog Owners of Homemade 'Tennis Ball Bombs'

SEATTLE, Wash. – It's no secret that dogs can be extremely playful and love toys.

However, police in Washington are warning pet owners about the dangers of a new illegal trend.

SEE ALSO: 8-foot boa constrictor found trapped in gas fireplace

In recent years, pranksters have turned tennis balls into homemade firecrackers.

Authorities told KOMO that they have discovered the firecrackers in wooded areas and around busy neighborhoods.

In 2000, a man in Portland found one while walking his dog. He tossed it a few times for the dog to catch and it ended up exploding in the pet's mouth.

The dog suffered severe injuries and had to be euthanized.

Now, experts are warning pet owners across the country to be on the lookout for these types of firecrackers.

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