9月20日，广东广州天河区，中建四局中山大学肿瘤医学科学中心天河院区项目雇佣保安暴力驱逐讨薪的建筑工人，引发激烈冲突。
On September 20, in Tianhe District, Guangzhou, Guangdong, security guards hired by CSCEC Fourth Bureau at the Sun Yat-sen University Cancer Medical Science Center (Tianhe Campus) project violently evicted construction workers who were demanding their wages, triggering a fierce clash.