The U.S. artistic swimmer fainted under the water and was saved by her coach. The images are below
When she lost consciousness, she sank to the bottom of the pool.
According to the Spanish outlet MARCA, the U.S. coach jumped in to save her athlete when she wasn't breathing.
Fuentes said it was a big scare, but that he was ok.
There are photos of the terrifying sequence.
OLI SCARFF poses for a picture.
OLI SCARFF poses for a picture.
OLI SCARFF poses for a picture.
The photo is courtesy of MB Media.
The photo was taken by Dean Mouhtaropoulos.
The photo was taken by Dean Mouhtaropoulos.
The photo was taken by Dean Mouhtaropoulos.
Yahoo reported that he got medical attention.
She wasn't breathing for at least two minutes because her lungs were full of water.
"Our sport is no different than others, just in a pool, we push through limits and sometimes we find them," he wrote on the USA artistic swimming page.
At an Olympic qualification event in Spain last year, a similar rescue was performed on Alvarez, but he had not previously blacked out.
The 25-year-old was competing in her third world championships and hoped to compete in the team free event on Friday. Her status hadn't been determined.
The doctor will determine if she can swim free team finals.
The article was first published on HuffPost.