Three people were killed, and one was injured in a knife attack at a residential complex on Friday morning in Xincheng county, Guangxi Zhuang autonomous region, local police said.

The incident occurred at 7 am according to a statement released by the public security bureau of Xincheng county, Laibin city.

A 35-year-old male suspect, identified only by the surname Guo, has been taken into custody by authorities. The injured victim was transported to a hospital for treatment.

The case is under further investigation, the statement said.