Running of the bulls bullring, which acts as a funnel as it is much narrower than the previous street. In such cases injuries come both from asphyxia and contusions to those in the pile and from goring if the bulls crush into the pile. This kind of blocking of the entrance has occurred at least ten times in the history of the run, the last occurring in 2013 and the first dating back to 1878. A runner died of suffocation in one such pile up in 1977. Overall, since record-keeping began in 1910, 15 people have been killed in the bull running of Pamplona,
Running of the bulls only stand behind the second fence, whereas the space between the two fences is reserved for security and medical personnel and also to participants who need cover during the event. The encierro begins with runners singing a benediction. It is sung three times, each time being sung both in Spanish and Basque. The benediction is a prayer given at a statue of Saint Fermin, patron of the festival and the city, to ask the saint's protection and can be translated into English as "We ask Saint Fermin, as our Patron, to guide us through the encierro and give us his