China has detained a U.S. citizen on suspicion of spying for ideological foe Taiwan, keeping him under house arrest without charge for nearly three months, the U.S. embassy in Beijing said on Friday. Chinese-born Xie Chunren, 56, was arrested in the southwestern province of Sichuan on May 31 after he traveled there from the United States, the embassy spokeswoman said. “He is currently under residential surveillance under suspicion of espionage for Taiwan,” she said.Full Story