“BEIJING — After weeks of Internet-fueled rumors suggesting fissures in the top leadership ranks, Chinese authorities struck back this weekend, closing 16 Web sites and arresting at least six people in a broad crackdown on the freewheeling world of cyberspace.”
http://www.washingtonpost.com/world/asia_pacific/amid-rumors-of-unrest-china-cracks-down-on-the-internet/2012/03/31/gIQAf7vHnS_story.html