The screenshot of a police statement released on the official Weibo account of Longhua Branch Bureau of Shenzhen Municipal Bureau of Public Security. (WEIBO @SHENZHEN LONGHUA GONGAN)

SHENZHEN - One person was killed and three others were injured in a knife attack in Shenzhen City, south China's Guangdong province on Thursday evening, according to local authorities.

The incident took place at around 6 pm near a public square in Longhua district. A 37-year-old male suspect was arrested on-site, according to the Shenzhen Public Security Bureau.

The four people attacked were sent to the hospital immediately. One died in the hospital and the three injured are not in life-threatening condition after treatment.

READ MORE: Suspect arrested after NW China knife attack

The case is under further investigation