On May 21, rescue workers carried out rescue at the site of the tower crane collapse accident of the third Tuojiang bridge under construction in Yanjiang District, Ziyang City, Sichuan Province. According to the report of the Publicity Department of Yanjiang district Party committee of Ziyang City, Sichuan Province on May 21, at 17:50 on the same day, the steel tower crane used for the construction of Tuojiang third bridge in Yanjiang District, Ziyang City collapsed during the demolition process, resulting in 5 deaths and 2 serious injuries. At present, the injured have been sent to the hospital for rescue, and the cause of the accident is under investigation.