Security personnel eat their meals as they watch over a entrance to the residential compound where Liu Xia, the wife of this year's Nobel Peace Prize winner Liu Xiaobo, is being held under house arrest in Beijing on Monday, Oct. 11, 2010. Liu Xia confirmed in a Twitter message that she had been placed under house arrest since Friday. (AP Photo/Ng Han Guan)

Photo by: Ng Han Guan

Security personnel eat their meals as they watch over a entrance to the residential compound where Liu Xia, the wife of this year's Nobel Peace Prize winner Liu Xiaobo, is being held under house arrest in Beijing on Monday, Oct. 11, 2010. Liu Xia confirmed in a Twitter message that she had been placed under house arrest since Friday. (AP Photo/Ng Han Guan)