Hong Kong's oldest university has dismantled and removed a statue commemorating democracy protesters killed by Chinese troops around Tiananmen Square in 1989 - Copyright AFP Mohd RASFAN One of China’s top bloggers has gone silent after live-streaming footage of a cake apparently shaped like a tank just before the anniversary of the Tiananmen crackdown, prompting debate over the highly sensitive event among tens of millions of young fans. Discussion of the crackdown on June 4, 1989, when China set troops and tanks on peaceful protestors, is all but forbidden on the mainland. Li Jiaqi, a household name in China whose...