Miami-Dade's fire chief said victims had been found "all throughout the rubble pile" but recovery efforts have been concentrated on areas where stairwells would have collapsed.
A total of 76 people remain missing and feared dead after Champlain Towers South, a 12-storey building in Surfside, collapsed on June 24.
Searchers extract 18 more bodies from rubble, raising the overall death toll to 54 with 86 people still unaccounted for, officials say.
Miami-based National Hurricane Center warned of life-threatening storm surges, flooding and isolated tornadoes as Tropical Storm Elsa began lashing the islands off the southern tip of the US state of Florida.
The storm heads north toward the Florida Keys, gaining slightly in intensity after leaving a trail of destruction through the Caribbean that claimed at least three lives.
Hurricane Elsa churned through the Caribbean, bringing powerful winds and threatening to pile further misery on Haiti, but it downgraded to a tropical storm.
Fire Rescue Assistant Fire Chief Raide Jadallah tells family members during a morning briefing that the building would be brought down “as soon as possible. First thing tomorrow” as official death toll continues to climb.
Four more victims were found in the rubble of a collapsed apartment building in Florida, including the body of a seven-year-old girl, bringing the death toll from last week's tragedy to 22, with 128 people still unaccounted for.
US President Joe Biden and the first lady offered comfort to the families of those killed and missing in the June 24 disaster.
A total of six bodies, including two children, have been found in the rubble of a collapsed condo building in the Miami-area town of Surfside.
Authorities have asked Washington for additional rescuers to comb the rubble of a collapsed condo tower in an area prone to tropical weather, where 16 people died and no one has been found alive since hours after the collapse.
Searchers say they could still find survivors in remnants of Florida condo building as death toll climbs to 10 while 151 people remain unaccounted for.
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