Yesterday at noon, a 25-year-old man carried a fruit knife rushed into the canteen on the eighth floor of Jinxin Building in Jia Heng Jewelry Factory, Yinping Road, Shatou Street, Panyu District, Guangzhou, and stabbed two female executives successively. Then he escaped to the roof and committed suicide by jumping off the building. The two injured people died after ineffective rescue. Some workers said that the man was originally a worker in the factory. He was not fully economically compensated when he was laid off. After failed negotiation with the factory management personnel several times, he was even slapped. So he took revenge. The police are investigating the specific situation.