It's an annual tradition that attracts people from all over the world.

The Running of the Bulls Pamplona sometimes has accidents, but this one comes as a surprise.

Bill Hillman, 32, co-author of the book "Fiesta: How to Survive the Bulls of Pamplona,'' was gored by a lone bull who had separated from the pack and also gored another man, according to the Today Show.

Hillman co-wrote the book and writes how to survive The Running of the Bulls in Pamplona, but after his accident his book reviews on Amazon weren't positive.

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