NANNING - A man killed himself after killing two children and injuring three other people Wednesday night in South China's Guangxi Zhuang autonomous region, local police said.

The incident began at 6:30 pm, when the man attacked several people with a knife in the village of Ganluotun in Liujiang county, killing a 4-year-old boy and a 3-year-old girl. He then committed suicide in the house of one of the victims.

The man also injured a nine-year-old girl and two adult women. All three of the injured are being treated at a local hospital, with two in critical condition.

Police are investigating the incident.