alphadogg writes "Chinese authorities have started to detain Internet users for allegedly spreading online rumors, in its latest measure to control the country's social media sites. China's State Internet Information Office said it determined several online Internet rumors were fabricated, and instructed relevant departments to prosecute the offenders, according to a Tuesday report from China's state-run press agency Xinhua. The so-called rumors include a case where a user spread alleged misinformation about income tax provisions by forging state documents. The user was detained for 15 days. In another case, a Chinese college student from the province of Yunnan was detained after spreading what the government called a rumor on blogs and forums, about an incident where a man killed eight officials in his village. The 'rumor' had said the man killed the officials because of pollution generated from a cement factory."