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An officer loads arrested cyclist's bicycles after a Critical Mass bike protest outside the Olympic Park during the 2012 Summer Olympics Opening Ceremony, Friday, July 27, 2012, in London. (AP Photo/Matt Rourke)

Olympic police arrest cyclist activists

Police protecting the Olympic Park

on opening night said Saturday, July 28, they arrested more than 130 activists on

bicycles involved in an hours-long effort to breach the park's security