Tommy says…

It’s June 4th, 21 years on from the killings in 1989. The SMH carried a story about one general who did not march to kill his fellow citizens.

“‘[Xu Qinxian] asked if there was an order from … Zhao Ziyang … The answer was no and ”Xu then refused to march.”” 

http://www.smh.com.au/world/how-top-generals-refused-to-march-on-tiananmen-square-20100603-x7f0.html