Following the pro-democracy protests that have rattled the streets of Hong Kong this weekend, it appears that Instagram has been banned in mainland China in a bid to stop images of the demonstrations – especially of fights between police and protesters – from reaching Chinese netizens.

According to the website watchdog Blocked In China, Instagram is now banned across the entirety of the country after photos tagged #occupycentral hit social networks. It's a frightening throwback to the horrors of the media blackout of the bloody 1989 Tiananmen Square protests, which the Chinese government still denies today.

Reuters also reports that the phrase #occupycentral has been blocked on Weibo, China's version of Twitter, though some support for the Hong Kong demonstrations has managed to find its way onto the social network: