Madrid (CNN) -- A 73-year-old Spanish man was gored in the right leg on the first day of the annual running of the bulls in Pamplona and a 21-year-old Japanese runner was dragged by a bull, authorities said. Those were two of six runners who were rushed to the hospital after the frenetic race down the narrow cobblestone streets of the old Spanish town. One of the others taken to the hospital was a 26-year-old Australian who suffered a knee injury. The Red Cross also treated 72 others for minor injuries at the scene, authorities said. The runner from Ikeda, Japan -- whose gender was not immediately released -- was dragged by what appeared to be a bull's horn, hooked through clothing, on the pavement downhill toward the bullring, images from Spanish state television showed. The runner suffered back injuries.
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One of the victims was gored, officials say
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The run in Pamplona started 400 years ago
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There have been 15 deaths since record-keeping began in 1924
Besides the @placeholder and the Australian, the other three sent to hospital were Spaniards, aged 19 to 49, who suffered shoulder, rib or wrist injuries, authorities said.