Italian firefighters who responded said a paraglider crashed into the side of a swimming pool in the city of Porto Sant Elpidio.

The city’s mayor, Massimiliano Ciarpella, confirmed Baumgartner’s death in a social media post.

“Our community is deeply affected by the tragic disappearance of Felix Baumgartner, a figure of global prominence, a symbol of courage and passion for extreme flight,” the mayor said.

Baumgartner, known as “Fearless Felix,” stunned the world in 2012 when he became the first human to break the sound barrier with only his body. He wore a pressurized suit and jumped from a capsule hoisted more than 24 miles (39 kilometers) above Earth by a giant helium balloon over New Mexico.

The Austrian, who was part of the Red Bull Stratos team, topped out at 843.6 mph — the equivalent of 1.25 times the speed of sound — during a nine-minute descent. At one point, he went into a potentially dangerous flat spin while still supersonic, spinning for 13 seconds, his crew later said.

“When I was standing there on top of the world, you become so humble, you do not think about of breaking records anymore, you do not think of about gaining scientific data. The only thing you want is to come back alive,” he said after landing in the eastern New Mexico desert.

The altitude he jumped from also marked the highest-ever for a skydiver, shattering the previous record set in 1960 by Joe Kittinger, who served as an adviser to Baumgartner during his feat.

Baumgartner’s altitude record stood for two years until Google executive Alan Eustace set new marks for the highest free-fall jump and greatest free-fall distance.

In 2012, millions watched YouTube’s livestream as Baumgartner coolly flashed a thumbs-up when he came out of the capsule high above Earth and then activated his parachute as he neared the ground, lifting his arms in victory after he landed.

Baumgartner, a former Austrian military parachutist, made thousands of jumps from planes, bridges, skyscrapers and famed landmarks around the world, including the Christ the Redeemer statue in Brazil.

In 2003, he flew across the English Channel in a carbon fiber wing after being dropped from a plane.

In recent years, he performed with The Flying Bulls as a helicopter stunt pilot in shows across Europe.

Baumgartner said after his record-breaking jump in 2012 that traveling faster than sound is “hard to describe because you don’t feel it.”

“Sometimes we have to get really high to see how small we are,” he said.

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Seewer reported from Toledo, Ohio.