At least 10 people were killed or injured in a knife attack in a hospital in China's Yunnan Province on Tuesday.

The attack took place at around 11:37 a.m. on Tuesday when a man assaulted people with a knife at a local hospital in the county, according to the county's public security bureau, reported Xinhua news agency.

The injured people are undergoing treatment in the hospital.

Police have launched an investigation into the incident.

The identity of the suspect has not been revealed by the police so far.