A wall of mud, trees and debris destroyed as many as 30 houses and killed at least eight people when a landslide hit northwestern Washington state near the town of Oso.

The mud was so thick and deep that searchers turned back on Saturday after attempting to reach an area where voices were heard crying for help. Rescuers pulled five bodies from the debris on Sunday, in addition to three that were found on Saturday.

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Buildings and landslide debris blocks Highway 530 near Oso, WashingtonReuters
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A crushed house is partially covered by debrisReuters
An aerial view of the area affected by the landslideReuters
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A view of the hillside that gave way and collapsedReuters
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An aerial view of a house that was washed away by the landslideReuters
Barbara Welsh, whose uncle is missing, listens to a press conference in Arlington, Washington as rescuers search for peopleReuters
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Trees felled by the force of the mudslide lie in its pathReuters
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A destroyed house sits in the mud on Highway 530Getty
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Emergency workers examine the debris after a mudslide in Snohomish County, WashingtonGetty