Watch the video : At least 3 dead and up to 99 missing in Florida building collapse

 Miami-Dade Mayor Daniella Levine Cava offered a touch of "uplifting news" 15 hours after the breakdown of a 12-story private townhouse in Surfside, Fla., saying 102 individuals have now been represented from the pinnacles. 

"Their areas are known and they are protected," Cava said at a question and answer session at around 4:30 p.m. ET. 

She said groups would keep looking through the site for the time being. 

99 individuals are still unaccounted for since the structure split and a piece of it came smashing down in the early morning long stretches of Thursday. 

District police have affirmed that one individual is dead. 

Miami-Dade Fire Rescue posted video of searchers in the overwhelmed storm cellar of the design. 

#MDFR #TRT & #FLTF1 are working in the basement parking garage at Champlain Towers. Firefighters continue working on locating possible victims, while dealing with heavy damage and changing conditions in the parking garage. #SurfsideBuildingCollapse pic.twitter.com/qseknk0T8q

— Miami-Dade Fire Rescue (@MiamiDadeFire) June 24, 2021

Fire Rescue Asst. Boss Ray Jadallah said salvage laborers have moved endeavors from looking from over the rubble to beneath. He said a stopping structure under the structure is offering new pathways into the mass of trash. 

Since firemen showed up on the scene at 1:48 a.m. neighborhood time, 37 individuals have been pulled from the design alive. 

Jadallah considered it a lethargic, perilous and orderly cycle, adding that as a portion of the firemen shift heaps of rubble looking for casualties, little flames have 

Cava said government help from the Federal Emergency Management Agency is coming. The city hall leader said she marked a crisis request that is currently on Gov. Ron DeSantis' work area. 

Teams are working with underlying designers to make new pathways into the crushed structure utilizing sonar gadgets and search cameras. Authorities said they have heard "sounds" coming from within, and what could be banging. However, they haven't heard any voices. 

The breakdown brought scores of people on call dashing to the beachfront property. 

Fire and salvage authorities said around 55 loft units were annihilated by the breakdown inside the Champlain Towers South perplexing, a 40-year-old structure that houses in excess of 136 units altogether. 

Miami-Dade County Commissioner Sally Heyman disclosed to NPR that since somebody is unaccounted for doesn't mean the individual is as yet in the structure — they may have been away from home for quite a few reasons, like work or travel. 

Specialists asked that occupants who are protected external the structure to present a Wellness Check Form so teams don't need to look for them.

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The breakdown happened around 1:30 a.m. Video acquired by neighborhood news station WSVN shows the structure collapsing on itself over a range of only 15 seconds, leaving behind huge loads of rubble and an enormous tuft of residue and trash. 

"It's anything but a bomb went off," Surfside Mayor Charles Burkett revealed to NBC's Today show. 

Burkett said salvage laborers have gotten canines to assist help with the quest for survivors yet "disastrously, there haven't been hits for the canines, and that is an extraordinary disillusionment." 

"Evidently, when the structure descended, it pancaked, so there's simply not a ton of voids that they're finding or seeing from an external perspective," the city hall leader said. 

Video and pictures showed a scene suggestive of a disaster area, with the whole east-side segment of the complex almost altogether destroyed. Void beds and ruined cooling units hung from the destruction, as rescuers looked over through the rubble underneath for survivors. 

A family escapes through an incompletely fallen flight of stairs 

Among the individuals who got away from the structure was Albert Aguero, who was holiday at the Champlain Towers South structure with his better half and two young kids. 

"It woke me up," Aguero disclosed to NPR part station WLRN. "I felt the whole room shake. [My wife] leaped up to beware of the children. They were OK. We peered out the gallery. It's anything but a haze of smoke." 

Aguero said the family figured out how to escape by racing through a mostly imploded flight of stairs. 

"At the point when we ventured outside of the loft, I looked to one side, and the rooftop was totally collapsed on the condo to one side. Looked forward, which is the place where the lifts are, and it was only the shaft in an opening," he said. 

By midmorning, anybody left "in the unblemished piece of the structure" had been securely emptied, Mayor Daniella Levine Cava told NPR. 

"What an awful misfortune," she said. 

Levine Cava said it was too soon for specialists to understand what made the structure breakdown however said examiners were on the scene close by engineers and other crisis responders. 

Burkett said work had been progressing on the structure's rooftop, "however you could never anticipate that that should be the issue." The establishment, he said, "some way or another was subverted, and the entire thing descended." 

Freddy Ramirez, head of the Miami-Dade Police Department, said his area of expertise is filling in as the lead investigatory organization into the breakdown and is working with the city of Surfside. Miami-Dade Fire Rescue is driving the crisis the board of the site and has set up a family reunification focus generally a large portion of a mile from the structure. 

Burkett disclosed to NBC that 15 families had effectively accumulated at the city's public venue and would before long be moved to lodgings.