According to the Guangzhou-based Southern Metropolitan Daily, more than 4,000 workers from the Fanyu Casio factory in Guangzhou went on strike for their wages on the morning of March 6, 2008. The authorities sent out anti-riot police and public security personnel to return workers to the factory; twenty workers were injured in the process.
This news went online in Chinese cyberspace for only few hours before being taken down from many major news sites. But photos and comments are still spreading in BBS and blogs. Radio Free Asia also reported the incident. Here are some photos, from Southern Metropolitan Daily etc.