At least 27 people were killed in a knife attack at a railway station in the city of Kunming in southwestern China, according to the state news agency Xinhua.
So far nothing is known about the motivation of the attack, which injured 109 people.
“Xinhua” gave a few additional details, and the guilty men have not been identified.
A local television station reported that several of the attackers were shot dead by police, the reported.
Chinese state television described the incident as a “violent attack.”
Witnesses said the men began attacking people at random.
Social media users in China are posting photos of the attack online, but reporters say they are being filmed.
Massive stab wounds in China are not uncommon, but such scales have not been reported recently.