https://apnews.com/4e872d03fc3210b49c60e6a275f2e860 > SURFSIDE, Fla. (AP) — The oceanfront condominium building that collapsed near Miami had “major structural damage” to a concrete structural slab below its pool deck that needed to be extensively repaired, according to a 2018 engineering report on the building. > The report was among a series of documents released by the city of Surfside as rescuers continued to dig Saturday through the rubble of the building in an effort to find any of the 159 people who remain unaccounted for after its collapse. At least four people were killed.