China urges microblog Weibo to clean up pornographic posts

China has urged the country's most popular microblog Weibo to clean up pornographic material on its social networking site in the latest attempt by authorities to regulate online content. Weibo Corp, owned by Sina Corp and in which Alibaba holds a stake, has a huge number of accounts that contain pornographic material, the Cyberspace Administration of China (CAC) said in a statement on Thursday on its website. The administration wants Weibo to rectify these issues by removing or blocking content