During the bull run organised on Tuesday, a bull broke through the protective barriers at one point of the route, killing a 73-year-old man and injuring three people, including a four-year-old girl.

For Spain's majestic fighting bulls whose final hours draw thousands to bullrings every year, the blow has been deadly: With the virus decimating the season, many are now condemned to the abattoir.

Pamplona in northern Spain is a city renowned for its running of the bulls festival, as featured in Ernest Hemingway's novel The Sun Also Rises. Few visitors to the July San Fermín fiesta ...