A runner is lifted into an ambulance after falling down and being gored in the right thigh by the 600kg Victoriano del Rio fighting bull "Brevito" during the third running of the bulls at the San Fermin festival in Pamplona July 9, 2014. The man was identified by the website sanfermin.com as Bill Hillman, co-author with John Hemingway, of the book "How to Survive the Running of the Bulls". The 32-year-old American, from Chicago, was gored in the thigh, a doctor told Spanish state television. REUTERS/Eloy Alonso (SPAIN - Tags: SOCIETY ANIMALS)
Bill Hillman is lifted into an ambulance after falling down and being gored in the right thigh.
ELOY ALONSO/ REUTERS

The American author of a book about “how to survive the running of the bulls,” was gored Wednesday morning in Pamplona at the festival, according to The Chicago Tribune.

Bill Hillmann, 32, from Chicago apparently tripped and fell “when a bull gored him in his right thigh,” The Tribune reported after translating from the festival’s website.

Hillmann was the co-author of “Fiesta: How To Survive The Bulls Of Pamplona,” which was just recently published in June.

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In photos from the festival’s website, Hillmann is seen in the hospital, conscious giving a “thumbs up.”

The Tribune said that the bull he was gored by “was the heaviest of the morning’s six bulls from the Victoriano del Rio ranch, weighing around 1,300 pounds.”

There were multiple people injured in today’s run, according to NBC News, including one man who was gored in his thorax.

“A 27-year-old man from Madrid was the last person to be killed during the bull run after being gored in the neck in 2009. There have been 14 fatalities over the past century at the fiesta, which dates to the 13th century,” according from The Tribune.