ROUGH CUT (NO REPORTER NARRATION)<br/> <br />STORY: Thousands of revelers packed Pamplona's town square on Sunday to watch the launch of the tradition 'El Chupinazo' rocket, which signals the start of the annual bull-running festival.<br/> <br />Formally known as the San Fermin festival which lasts for nine days, it traditionally sees thrill seeking tourists run down historic streets chased by bulls, ahead of a bloody bullfight.<br/> <br />Wearing white t-shirts and trousers stained with red wine - tourists and locals gathered into the city center holding up red handkerchiefs.<br/> <br />The fiesta was officially opened by Red Cross President in Pamplona, Mikel Martinez who launched the firecracker that opens the event.<br/> <br />The first run will take place on Monday. During the runs, held each morning at 8am, thousands of people run ahead of six bulls along an 800-meter or 875-yard route from a corral to the city bull ring.<br/> <br />Held since 1591, "Los San Fermines", attracts thousands of tourists from acr
