Qinghai, Aug. 23 -- At least 12 construction workers were killed after a steel cable snapped during bridge construction in northwest China's Qinghai Province. Four workers remain missing, Xinhua News reported, citing officials from the emergency command headquarters handling the accident.

As reported by Xinhua News, the cable of the bridge broke during a tensioning operation at the site of a bridge under construction on the Qinghai section of the Sichuan-Qinghai Railway in Huangnan Tibetan Autonomous Prefecture. The failure caused a 108-meter steel girder arch rib to collapse, with 16 workers present at the site at the time.

The authorities quickly launched rescue operations involving 806 personnel, 91 vehicles, 27 boats, one helicopter...