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First picture of escaped Chinese activist Chen Guangcheng at Beijing hospital

Jordan Pouille / AFP - Getty Images

Chinese activist Chen Guangcheng is seen in a wheelchair pushed by a nurse at the Chaoyang hospital in Beijing on May 2, 2012.

Diego Azubel / EPA

A man holds a sign that reads 'Free Chen Guangcheng, Democracy, China', outside an entrance to Chaoyang Hospital on May 2, 2012.

Ng Han Guan / AP

Human rights activist Jiang Tianyong speaks to journalists outside Chaoyang Hospital after his failed attempt to see Chen Guangcheng on May 2, 2012.

NBC News, msnbc.com staff and news services reportA blind Chinese legal activist at the center of a diplomatic tussle between Washington and Beijing left the U.S. Embassy Wednesday to receive medical care in Beijing and be reunited with his family.

China demanded an apology from Washington over Chen Guangcheng's stay at the U.S. Embassy,according to the government's news service Xinhua.

An unnamed U.S. official, who spoke on condition of anonymity, told reporters that Chen had not asked for asylum in the U.S. and would be staying in China. Read the full story.

U.S. relations with China are being put to the test over the fate of Chen Guangcheng, a blind Chinese dissident who escaped from house arrest in China and is believed to be in the U.S. embassy or another safe site. NBC's Ian Williams reports.