At around 23:00 on June 30, a sudden water and sand inrush occurred during the construction of the connecting passage between Kaiyuanmen Station and Tumen Station on the under-construction Metro Line 8 Loop Line in Xi'an, Shaanxi Province.

At present, the relevant property owners of the water and natural gas utilities have arrived at the site and shut down the equipment. There were no casualties on site. The specific cause is under further investigation.

On the morning of July 1, Xi'an Rail Transit Group Co., Ltd. issued a statement: At around 23:00 on June 30, a sudden water and sand inrush occurred during the construction of the connecting passage between Kaiyuanmen Station and Tumen Station on the under-construction Metro Line 8 Loop Line, and the on-site construction unit promptly carried out emergency response and disposal. At around 4:00 on July 1, settlement was monitored on the road surface at the site; at 5:50, the traffic police department was requested to impose temporary traffic control on the section; at around 8:00, part of the road surface in the area collapsed.