Before-and-after images of the Florida condo collapse show the severity of the disaster

• Part of the Champlain Tower South condominium in Surfside, Florida collapsed early Thursday morning.

• Previous real estate listings of the building reveal the scope of the complex before the collapse.

• Authorities said 51 people remain unaccounted for and at least 1 person has died.

• Visit Insider’s homepage for more stories.

A 12-story Florida condo building unexpectedly collapsed on Thursday morning, killing at least one person dead as over 80 rescue units from Miami-Dade Fire Rescue are on the scene looking for survivors.

The collapse happened at Champlain Towers South, located at 8777 Collins Ave. in Surfside, Florida.

The building is located just one block away from the home of former President Donald Trump’s daughter and son-in-law, Ivanka Trump and Jared Kushner, and about 20 blocks away from “Millionaire’s Row.”

Previous listings of the condominium show what the interior and exterior of the building looked like before roughly half of the building’s 136 units were destroyed. Condos in the complex were recently on sale for around $400,00-$500,000, and a realtor.com listing shows that a penthouse unit was sold just last month for $2.9 million.

A realtor also posted a YouTube video showing the condo’s interior in June 2020:

Photographers on the scene Thursday morning documented the devastation of the condo as beds, air conditioning units, tables, and more dangled from the building’s torn edge.

Surfside Mayor Charles W. Burkett said the building “pancaked,” making it difficult for rescue teams to locate survivors. At least 35 people have been rescued as of Thursday morning, some found solely from the sounds of their screams beneath the rubble.

“It’s heartbreaking because it doesn’t mean, to me, that we’re going to be successful, as successful as we want to be, to find people alive,” Burkett said.

Champlain Tower South was built in 1981 out of reinforced concrete. It’s unclear if the building had any structure or code regulation violations before it collapsed.

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