In this Sept. 28, 2010 file photo, Liu Xia, wife of Chinese dissident Liu Xiaobo, speaks during an interview in Beijing, China. Liu Xia, the wife of Nobel Peace Prize winner Liu Xiaobo,  said in a Twitter message that she had been under house arrest since Friday Oct. 8, 2010.  (AP Photo/Andy Wong/file)

Photo by: Andy Wong

In this Sept. 28, 2010 file photo, Liu Xia, wife of Chinese dissident Liu Xiaobo, speaks during an interview in Beijing, China. Liu Xia, the wife of Nobel Peace Prize winner Liu Xiaobo, said in a Twitter message that she had been under house arrest since Friday Oct. 8, 2010. (AP Photo/Andy Wong/file)