Video streamed by users of Sina Weibo, AcFun and Phoenix New Media's ifeng.com contained "negative comments" about unspecified sensitive issues, the State Administration of Press, Publication, Radio Film and Television said.
The move caused a big sell-off in shares of Sina Corp traded in the USA and in Sina Weibo its microblog service.
"It is another government move to strengthen its control on politics and social affairs on the Internet".
SAPPRFT said in their statement that Sina Weibo (a Chinese social media platform), iFeng (the online service of a television station), and ACFUN (a video sharing site) lacked the required license to stream audio and visual content and were "not in line with national audiovisual regulations".
China is tightening its control over internet content. It ordered them to stop the services.
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He said Democrats in the Senate held more than 100 hearings before passing the Affordable Care Act in 2010. A few senators live-streamed their "search" for the elusive legislation, driving around the capital.
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Also shot were Capitol Police special Agent Crystal Griner, congressional aide Zachary Barth and lobbyist Matt Mika. Brooks told CNN that he was contacted by Capitol Police and told his name and office number were on the list.
Beijing is very wary of social media after it was sued by organizers during the 2010 Arab Spring widespread protests that included almost all of the Middle East and led to the government of Tunisia and Egypt being overthrown.
In January, the government announced the launch of a 14-month crackdown on cloud-hosting and content-delivery services.
Sina Weibo shares fell 6.1 per cent on the Nasdaq market and shares of Sina fell 4.8 per cent. It is one of the world's most popular social media services, with 313 million users as of December, according to the company.
Weibo Corp said it was communicating with relevant government authorities to understand the scope of the notice and will also evaluate the impact of the government's move on its operations and its administrative options.
Hebei-based veteran journalist Zhu Xinxin said the government is afraid that spontaneous online video could spark political reactions among Chinese people.