Activist groups in Hong Kong on Friday urged China for the release of Liu Xia, wife of late Nobel Peace Prize laureate Liu Xiaobo, from illegal house arrest, as they mourned Liu's death and commemorated the ninth anniversary of the release of his democratic reform initiative, Charter 08.Led by the Hong Kong Alliance in Support of Patriotic Democratic Movements of China, the group pushing for democracy in China and holding annual memorials for the 1989 Tiananmen Square massacre, some 30 people rallied outside the Central Government Liaison Office, Beijing's representative here, calling for L…READ FULL ARTICLE