A U.S. official says a blind Chinese legal activist who was at the center of a diplomatic tussle between Washington and Beijing has left the U.S. Embassy to receive medical care in Beijing and be reunited with this family. FILE - In this April 24, 2012 file photo, Secretary of State Hillary Rodham Clinton speaks at the State Department in Washington. Clinton heads to Beijing, scene of a tense human rights showdown over the fate of a blind Chinese lawyer said to be under U.S. protection there after escaping from house arrest. Activists say both sides are working to come up with a deal to diffuse the crisis ahead of U.S.-China talks on a host of global issues. (AP Photo/Susan Walsh) Close The Chinese government's news service, Xinhua, says that Chen left the U.S. Embassy "of his own volition" after staying there for six days. Xinhua, in the brief English-language report, also says that the Chinese Foreign Ministry has also demanded the U.S. "apologize for a Chinese citizen's entering" the embassy.