FILE - In this June 1, 2009 file photo, Human rights lawyer Pu Zhiqiang, right, speaks to journalists, closely watched by a plainclothes policeman, at his office in Beijing. According to other Chinese activists on Tuesday, May 6, 2014, Chinese authorities have detained Pu in an apparent bid to deter activists from marking the upcoming 25th anniversary of a brutal military suppression of pro-democracy protesters. (AP Photo/Elizabeth Dalziel, File)