10 injured in bull running festival in Spain
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10 people have been injured in the annual San Fermin bull running festival in Pamplona, Spain. 
Five Americans, three Spaniards and two French nationals, all males, required treatment after joining hundreds of participants in the second running of the bulls through Pamplona's narrow streets this week.
Participants and Fuente Ymbro's fighting bulls run at Estafeta curve during the fourth bull run of the San Fermin festival in Pamplona, northern Spain on July 10, 2017. /VCG Photo 

Participants and Fuente Ymbro's fighting bulls run at Estafeta curve during the fourth bull run of the San Fermin festival in Pamplona, northern Spain on July 10, 2017. /VCG Photo 

The festival, immortalized in Ernest Hemingway's 1926 novel "The Sun Also Rises", dates back to medieval times and features religious processions, folk dancing, concerts and round-the-clock drinking. 
It attracts hundreds of thousands of visitors from around the world.
15 people have been killed in the festival since modern day records began in 1911, with the latest death occurring in 2009. 
Last year 87 people were injured during the festival's eight runs, including 12 gored by bulls.