"If it was all about those photographs, whatever they tried to do backfired," Indymedia volunteer David Meieran in Pittsburgh said of authorities. "Now they're mirrored on 300 Web sites around the world."

"It's like trying to grab water," said Meieran. "The Internet is all over the place. You can't reach in and try to grab a photograph and expect it's not going to be put up anymore."

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AP reporters Jonathan Fowler in Geneva, Marta Falconi in Rome and Ed Johnson in London contributed to this report.