John Tsang Chao-ko, a former Hong Kong police assistant superintendent before being expelled on suspicion of spying for China during the cold war, has died in Guangzhou.
'Hong Kong's first spy' John Tsang, dies in Guangzhou, aged 91
John Tsang Chao-ko, a former Hong Kong police assistant superintendent before being expelled on suspicion of spying for China during the cold war, has died in Guangzhou.
