Tiananmen anniversary prompts heavy security

China deployed its vast security apparatus on Wednesday to snuff out commemoration of the suppression of pro-democracy protests around Tiananmen Square 25 years ago, flooding the streets with police as censors scrubbed the Internet clean of any mention of the crackdown.

Background:

Few visitors, heavy security as China marks Tiananmen Square anniversary [LATimes]

China in security clampdown on Tiananmen crackdown anniversary [Reuters]

Beijing tense on Tiananmen massacre anniversary [BBC]