Questions mount about how Florida building could have crumbled

People attend a community vigil on the beach for those missing after the collapse of the Champlain Towers South condominium building in Surfside, Florida

Questions mounted Monday about how a residential building in the Miami area could have collapsed so quickly and violently last week, as the death toll rose to 11 with 150 still unaccounted for, leaving desperate families to fear the worst. Experts are looking at possible pre-existing critical flaws in the structure of the apartment tower in Surfside, near Miami Beach, which pancaked into a pile of smoking rubble in the early hours of Thursday. Battling torrid heat and high humidity, rescue teams from Florida and abroad continued to scour the debris for signs of life, but as the hours dragged on, the outlook grew increasingly grim. ‘The search continues, and it will not stop until there is a resolution,’ Florida Governor Ron DeSantis told reporters Monday.