There have been recent reports that a declassified British document indicates "at least 10,000" people may have died at Tiananmen. This seems far higher than what I previously thought. How can we evaluate this in light of other historical evidence?

http://www.bbc.com/news/world-asia-china-42465516

https://www.yahoo.com/news/10-000-killed-chinas-1989-tiananmen-crackdown-british-063526012.html