Guo detained by Chinese authorities . Detention comes after publication of article in which artist criticized Tiananmen army . Artist Melanie Wang told the Sydney Morning Herald Artist Guo Jian was a protester at the May 30 Tiananmen crackdown . Latest artwork a commemoration of events in which hundreds to thousands of protesters were killed .
Guo detained by Chinese authorities . Detention comes after publication of article in which artist criticized Tiananmen army . Artist Guo Jian was a protester at the May 30 Tiananmen crackdown . Latest artwork a commemoration of events in which hundreds to thousands of protesters were killed .