investigators

June 23 (UPI) — The June 2021 partial collapse of a Miami Beach oceanfront condominium tower that killed nearly 100 people began three weeks before the building completely failed, federal investigators announced Monday.

The four-decade-old Champlain Towers South condo in Surfside, Fla., collapsed June 24, 2021, prompting the deployment of first responders to scour the rubble for survivors. In total, 98 people were killed and many others were injured, making it one of the deadliest structural disasters in U.S. history.

The National Institute of Standards and Technology, which launched an investigation into the incident within days of the collapse, said Monday that it determined the collapse began in early June 2021, when two connections between garage columns and the building’s pool deck failed.

“These initial column failures caused cracks to grow and loads to redistribute in the pool deck over the next three weeks, resulting in the transfer of their loads to adjacent slab-column connections that were not strong enough to support them,” NIST said in a statement.

“This led to the larger catastrophic collapse on June 24.”

The 12-story Champlain Towers South building was constructed in 1981 under required codes and standards intended to ensure builders could support more load than they were expected to bear. But, Judith Mitrani-Reiser, who was a co-lead on the investigation, said the tower’s “margins against failure were not too narrow from the start.”

The investigators believe that the failure of the two connections then spread to other elements of the pool deck and street-level parking structure before unseating the southern edge of the pool deck slab from a supporting wall.

When the pool slab eventually broke away, it damaged two connections supporting that part of the tower, causing the failure to travel through the middle of the tower.

The investigators also found that loads added to the structure over the building’s lifetime, such as pool deck modifications, further narrowed the margins against failure on top of long-term degradation caused by corrosion.

The investigation team said it is now working on compiling a final report that will include recommendations for changes to standards, codes and practices, among other suggestions.

The announcement came after NIST in September released an update into its investigation stating that the condo had shown visible signs of structural strain weeks before the collapse, starting with the pool deck.

Secret Service agent at White House correspondents’ dinner was ‘definitively’ hit by suspect’s bullet, prosecutor says.

Authorities in the United States have said that the suspect accused of attempting to kill President Donald Trump was the one who shot a Secret Service agent at the White House correspondents’ dinner last month.

Officials initially did not provide details on how the agent – who was wearing a bulletproof vest – was injured. On Sunday, US Attorney Jeanine Pirro told CNN that investigators have confirmed that the agent was shot by the alleged gunman, Cole Tomas Allen.

“It is definitively his bullet. He hit at that Secret Service agent. He had every intention to kill him and anyone who got in his way, on his way to killing the president of the United States,” Pirro said.

“This was a premeditated, violent act, calculated to take down the president, and anyone who was in the line of fire.”

She added that a pellet that came from the suspect’s shotgun was “intertwined with the fiber” of the agent’s protective vest.

The determination could lead to additional legal charges against the 31-year-old suspect. It also rules out speculation that the agent may have been struck by so-called “friendly fire”.

The Justice Department announced three charges against Allen last week – attempting to assassinate Trump, the transportation of a firearm across states with intent to commit a felony and the discharge of a firearm during a crime of violence.

A sentence of life in prison faces anyone convicted of attempted assassination.

Last week, Acting Attorney General Todd Blanche said Allen had travelled via train from his home near Los Angeles to Chicago and then to Washington, DC.

He arrived in the US capital on April 24, the day before the dinner at the Washington Hilton hotel, and checked in.

According to Blanche, during the dinner, Allen approached a security checkpoint on the terrace of the hotel, one level above the ballroom where Trump was.

“He ran through the magnetometer holding a long gun. As he did so, US Secret Service personnel assigned to the checkpoint heard a loud gunshot,” Blanche said.

“One Secret Service officer was shot in the chest, but was wearing a ballistic vest that worked. This heroic officer, who was hit, fired five times at Allen, who was not shot, but fell to the ground and was promptly arrested.”

Officials have said Allen was carrying a shotgun, a semiautomatic pistol and three knives.

The shooting, considered to be the third assassination attempt against Trump since 2024, has shaken US politics. The White House has accused the US president’s Democratic rivals of inspiring political violence with their verbal attacks on the administration.

But Trump himself is known for personal attacks against opponents, and critics have accused him of using the shooting to censor his rivals.