TO GO WITH China-rights-Oly-2008-CHN BY DAN MARTIN (FILES) This file photo dated 09 January, 2007 shows prominent human rights activist Hu Jia during an interview at his home in Beijing. China's arrest of the prominent rights campaigner Hu Jia is part of an increasing crackdown on critics that breaks promises it made to land the Olympics, said activists 08 January, 2008 who called for world pressure on Beijing. AFP PHOTO / FILES / Frederic J. BROWN