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After slightly injuring two women, the bulls were eventually recaptured on a nearby beach.
“Knight & Day’s” Spanish producer said he did not know how the bulls – who are being used in scenes that imitate the famous run in Pamplona – escaped.
"Nothing will be filmed in Cadiz until we have a new plan that guarantees the safety of local residents," a spokesman for the mayor of Cadiz told a local newspaper.
Anti-bullfighting activists stepped up a letter-writing campaign last week to urge Cruise and Diaz to bow out of the film, according to AFP.