Ian Tomlinson's stepson Paul King has expressed his anger at the outcome of the hearing, calling it nothing more than "showboating."
He said: "I think it's pointless, it hasn't proved anything to us. We still haven't got any answer from this. After three-and-a-half years, I think its diabolical. It's like we're back at day one. We will carry on, it isn't going to be the last of it."
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It is unclear what their alleged plans were.
Anti-terror police are currently questioning the men who were arrested at three separate locations in France.