Dozens of protestors were detained in Hong Kong in connection with the 34th anniversary of the Tiananmen Square massacre, according to reports. Key details: A total of 23 people — 11 men and 12 women — were taken into custody on Sunday for “breaching the public peace.

Tiananmen Square memorials have long been illegal in mainland China, but the crackdown in Hong Kong is a more recent development.

For the past 34 years, the height of “ politically sensitive periods ” for the Chinese government invariably falls around the same day: June 4, the anniversary of the Tiananmen Square massacre in Beijing. And, as use of the internet has become increasingly ubiquitous in China, online surveillance and censorship go into overdrive during this period.

With candlelight vigils to the victims of the 1989 crushed student uprising in Beijing now only a memory, the anniversary is also a reminder of the freedoms Hong Kong has lost.

Hong Kong police have detained eight people on the eve of the 34th anniversary of China’s Tiananmen Square crackdown

Hong Kong police have arrested or detained more than a dozen protesters at the park that once hosted annual memorial ceremonies for the Tiananmen Square crackdown anniversary.

China has tightened access to Tiananmen Square in central Beijing on the anniversary of 1989 pro-democracy protests. In Hong Kong, which had been the last Chinese-controlled territory to hold commemorations,