The Snohomish County Sheriff's Office tweeted that the little boy was pronounced dead at the scene

3-Year-Old Washington Boy Killed After Being Run Over By Lawn Mower He Was Riding with His Father

A 3-year-old Washington child is dead following what police called a “tragic incident” involving a riding lawn mower.

The Snohomish County Sheriff’s Office tweeted on Thursday that the little boy was “riding the lawn mower with his father” when he fell off and was run over.

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According to authorities, the little boy was pronounced dead at the scene.

Spokeswoman Shari Ireton told Q13 Fox that “witnesses reported that the boy fell off and went under the mower.”

The sheriff’s office did not immediately respond to PEOPLE’s request for additional comment.

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Local outlet KOMO reported that authorities said the boy’s death is being called an accident.

The Consumer Product Safety Commission fact sheet about riding lawn mowers states that children should “never” be carried on mowers “even with the blade(s) shut off.”