Beijing, China (CNN) -- Another knife attack reportedly occurred at a kindergarten in China, according to a Chinese rights group.
There was no mention of the attack in Chinese national state media and government officials did not return repeated calls about the incident.
The incident was mentioned in one local media outlet and bloggers in China were buzzing about it. But many blog posts about the incident were taken off the internet shortly after they were posted.
China Information Center for Human Rights and Democracy said four children were killed and 12 were wounded when a man went on a knife slashing spree at a kindergarten in the city of Zibo.
The incident occurred on Tuesday afternoon, the rights organization.
If this attack occurred, it would be one of at least five knife or cleaver attacks on school children in China since March. CNN
