At least three people were killed in a landslide at a hotel in San Carlos de Bariloche in Argentina's Patagonia region on Monday.

The victims were a 78-year-old Uruguayan tourist and his sister and brother-in-law, all visiting Argentina on a family vacation, local news source Clarín reported. Authorities confirmed that up to 50 guests were staying at the hotel when the landslide struck.

A witness said that the scene was chaotic and that the event "sounded like some kind of explosion," according to an interview done by Reuters.

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The landslide occurred after more than 36 hours of relentless rain in the region. About three inches of rain was reported in the area.

Click through the slideshow above to view the damage.

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