Pamplona’s running of the bulls begins with reports of injuries after participants are tossed and trampled during the event in the old town. Multiple runners sprint in front of a group of fighting bulls that are led by steers along a route through the streets. The incident described by the outlet coverage involves at least three injured people who are hurt after coming into contact with the bulls’ hooves. Runners take part as bulls charge down the course, with the event staged as a high-speed run along an approximately half-mile route. The accounts emphasize the dangers of the start of the festival and describe how some participants are thrown off balance during the chaos of the run. Details such as the exact severity of injuries and how quickly they are treated are not included in the provided text. Coverage frames the event as the opening moment of a long-running festival tradition in Pamplona, with the reported injuries occurring during the first running session.