Tang Shuangqiang , 46 , is said to suffer from mental issues . The man was arrested in the city of Xian on July 25 after he allegedly attacked a police officer with an iron bar and threatened him with a knife. Plight only came to light when an old school friend paid a visit . Mother says she is poor and has no other way to look after son . Mr Tang is called the 'crazy fighter ' by neighbours .
Tang Shuangqiang , 46 , is said to suffer from mental issues . The small space was used to keep chicken and has no bed . Plight only came to light when an old school friend paid a visit . Mother says she is poor and has no other way to look after son . Mr Tang is called the 'crazy fighter ' by neighbours .