Core Viewpoint - A construction accident occurred at the Qianqing Railway's Qianza Yellow River Bridge, resulting in casualties and ongoing rescue efforts [3][5]. Group 1 - The accident involved a rope failure during construction, with multiple workers present at the site [3]. - As of 8 AM on August 22, the incident has led to 4 confirmed deaths and 12 individuals reported missing [5]. - Rescue operations are currently underway to locate the missing workers [5].