The heads of China's largest internet companies have vowed to stop the spread of so-called "harmful information".
They made the promise after attending a three-day workshop put on by the government.
Nearly 40 companies including e-commerce giant Alibaba and search engine Baidu say they will "curb internet rumours."
It's part of many steps made by Beijing to tighten its control on the internet.
Al Jazeera's Melissa Chan reports from Beijing.
