Chinese-born Yang Jun said he was mistreated while being held at a secret detention site after being taken into custody more than two years ago.
Yang also said he failed in a plea to be allowed to submit evidence and call witnesses in his own defence. "This isn't a crime of ideology. The charges are about espionage. But who did I work for? If this is a crime, and if I'm a criminal, then who did I work for? I didn't work for Australia or the US," he said.Yang reportedly once worked in China's foreign affairs ministry in Hainan province -- although this has been denied by Beijing.
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