In pictures: Pamplona bull run

1 of 8 Thousands of people took part in the first annual bull run in Pamplona

2 of 8 Residents lined their balconies to watch as the bulls thundered past

3 of 8 Runners say they enjoy the adrenalin rush as they flee through the narrow Spanish streets

4 of 8 Some runners carried rolled-up newspapers as a means of self-defence

5 of 8 Some of the animals lost their footing on the slippery streets...

6 of 8 ...leading some runners to kneel in victory over the defeated animals

7 of 8 Despite the close proximity of bulls and runners, no-one was gored - although some were trampled

8 of 8 The festival is held in honour of San Fermin, the Navarre region's patron saint