A 5th wheel trailer behind a Kennewick truck and equipment sales business on Fruitland Street caught fire Wednesday afternoon.

Kennewick Fire Department crews arrived quickly and extinguished flames in about 10 minutes, but the residence was a total loss.

Battalion Chief Kevin Crowley said the cause of the fire is unknown as of Wednesday evening.

The residence was in the back of the commercial lot near storage. People were living in the 5th wheel, which is not normally permissible in commercial zoning.

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