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Federal investigators with the National Institute of Standards and Technology found that the 2021 Champlain Towers South condo collapse in Surfside, Fla., likely began in an area of the pool deck

Investigators initially had 12 hypotheses, and have found mounting evidence pointing to the pool deck

The collapse killed 98 people, and the investigation will conclude at the end of 2025

Federal investigators have shared the preliminary results of their ongoing investigation into the deadly 2021 Champlain Towers South condo collapse in Surfside, Fla., which likely began in the building's pool deck.

The partial collapse of Champlain Towers South determined that the collapse likely began from the pool deck, which began collapsing before the rest of the tower, the National Institu

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